Whenever there is an indirect object after the mentioned verbs and infinitive after that, we make passive voice in such way.

The structures for active/passive voices are :-

Active:- Subject + verb (such as “suggest/advise/recommend/beg/urge/order, etc.”) + object + to + verb (Ist form) + indirect object.

Passive:- Object + was/were + verb’s third form + to + verb (Ist form) + indirect object.

So, with the help of the above structures, we can convert the given sentence into passive voice :- The government was suggested to fence the borders.

P.S. :-We can also make the sentence as “The Home minister suggested that the borders should be fenced.”

Hence, option D is the correct answer.

The given sentence is in active form of affirmative sentence. The sentence is in simple present tense.

Whenever there are mentioned verbs in any sentence, and we want to make a passive voice of it. We follow the structure mentioned below.

The structures for active/passive voices are :-

Active:- Subject + decide/determine/arrange/agree/be determined, etc. + to + verb (Ist form) + object.

Passive:- Subject + decide/determine/arrange/agree, etc. + that + object + should + be + verb (IIIrd form).

So, with the help of the above structures, we can convert the given sentence into passive voice :- The umpires are anxious that the match should be started.

P.S. :-We can also make the sentence as “The umpires are anxious for the match to be started.”

Hence, option B is the correct answer.

The given sentence is in active form of affirmative sentence. The sentence is in simple past tense.

Whenever there are mentioned verbs in any sentence, and we want to make a passive voice of it. We follow the structure mentioned below.

The structures for active/passive voices are :-

Active:- Subject + verbs (such as advise/suggest/propose/recommend/support, etc.) + gerund (verb + ing) + object.

Passive:- Subject + verbs (such as advise/suggest/propose/recommend/support, etc.) + that + object + should + be + verb (IIIrd form).

So, with the help of the above structures, we can convert the given sentence into passive voice :- The school recommended that storybooks should be used.

Hence, option C is the correct answer.

The given sentence is in passive form of present tense.

The structures for active/passive voices are :-

Passive Voice :- Object + can + be + verb (IIIrd form) + by + subject.

Active Voice :- Subject + can + verb (Ist form) + object.

So, with the help of the above structures, we can convert the given sentence into active voice :- The committee can arrive at a concrete decision.

Hence, option B is the correct answer.

The given sentence is in active form. It is in the simple past tense.

The structures for active/passive voices are :-

Active Voice :- Subject + verb (IInd form) + object.

Passive Voice :- Object + was/were + verb (IIIrd form) + by + subject.

So, with the help of the above structures, we can convert the given sentence into passive voice :- The compartment was filled with smoke.

Hence, option C is the correct answer.

The given sentence is in passive form. It is in the simple past tense.

The structures for active/passive voices are :-

Passive Voice :- Object + was/were + verb (IIIrd form) + by + subject.

Active Voice :- Subject + verb (IInd form) + object.

So, with the help of the above structures, we can convert the given sentence into active voice :- Dust covered the book.

Hence, option A is the correct answer.

The given sentence is in active form of present tense.

The structures for active/passive voices are :-

Active Voice :- Subject + can + verb (Ist form) + object.

Passive Voice :- Object + can + be + verb (IIIrd form) + by + subject.

So, with the help of the above structures, we can convert the given sentence into passive voice :- Dogs can be played with quite safely.

Hence, option B is the correct answer.

The given sentence is in passive form of present perfect tense.

The structures for active/passive voices are :-

Passive Voice: Object + has/have + been + verb (IIIrd form) + by + subject.

Active Voice: Subject + has/have + verb (IIIrd form) + object.

So, with the help of the above structures, we can convert the given sentence into active voice: The student has satisfied everyone.

Hence, option A is the correct answer.

The given sentence is in active form of an imperative sentence.

The structures for active/passive voices are :-

Active Voice: Verb + object.

Passive Voice: Let + object + be + verb (IIIrd form).

So, with the help of the above structures, we can convert the given sentence into passive voice: Let it be done right now.

Hence, option B is the correct answer.

The given sentence is in the passive form of an imperative sentence. The sentence is in the present tense.

The structures for active/passive voices are :-

Passive: Object + should + be + verb (IIIrd form).

Active: Verb + object.

So, with the help of the above structures, we can convert the given sentence into an active voice:- Hear your staff.

Hence, option B is the correct answer.