To make a clean breast of it 'means to confess to one 's mistakes or transgressions, to tell the truth about oneself. Therefore option C is the correct answer.

"To keeps one`s temper ”: To be in good mood

The correct answer is To catch a dangerous person ​​.
Key Points

• Let 's look at the meaning of the given  idiom:
  • To catch a tartar - to deal with someone or something that proves unexpectedly troublesome or powerful
• Example: 
  • Now that she finally agreed to meet with you, you just might find that you 've  caught a tartar.​

The idiom 'to drive home 'means to emphasize an important point about something to someone. You state it in a very forceful and effective way so it is well delivered to the other end.

Option A is the correct answer because 'to have an axe to grind 'means to have a private reason for doing or being involved in something.
Options B, C and D are incorrect because these are not the correct meanings of the given phrase. 
Option E is incorrect because the correct answer has already been chosen.
 

To cry wolf is an idiom that originates from Aesop's fable "The Boy Who Cried Wolf." It refers to the act of giving false alarms or raising unnecessary alarms, causing others to become skeptical or dismissive when a real threat or danger is present. The phrase is often used to describe situations where someone repeatedly exaggerates or fabricates stories or issues, leading to a loss of credibility. The idiom can be interpreted in different ways, but the most common meaning is "to give false alarm."
Here is a detailed explanation of the different options:
A: To listen eagerly
- This option does not accurately represent the meaning of the idiom "to cry wolf." It is not about listening eagerly but rather about the act of giving false alarms.
B: To give false alarm
- This option correctly represents the meaning of the idiom "to cry wolf." It refers to the act of repeatedly giving false alarms or raising unnecessary alarms.
C: To turn pale
- This option does not accurately represent the meaning of the idiom "to cry wolf." It is not about turning pale but rather about the act of giving false alarms.
D: To keep off starvation
- This option does not accurately represent the meaning of the idiom "to cry wolf." It is not about keeping off starvation but rather about the act of giving false alarms.
In conclusion, the correct answer is b. To give false alarm . This idiom is often used to caution against repeatedly exaggerating or fabricating stories or issues, as it can lead to a loss of credibility and make it difficult for others to trust or take the person seriously when a real threat or danger arises.

To end in smoke: to be destroyed or ruined.

To be above board: business agreement which is honest and not trying to deceive anyone.

Option B is the correct answer because 'to put one 's hand to the plough 'means to begin or undertake a difficult task.

To pick holes: to try and make an idea or piece of work seem bad by finding all the things that are wrong or missing.