Which idiomatic expression doesn't exist in English?

What word is missing in the following proverb?

Don't ... your chickens before they hatch.

The idiom take the plunge means to withdraw from something or to give up on something. 

Complete the sentence with the appropriate word.

Great job on that report, Jacob. You really hit it out of the ...

What can you say when you don't want to make the effort to do something or you aren't interested in doing something?

Complete the sentence with the correct verb form.

I wish I (not, get) ... drunk and cheated on my girlfriend.

Choose the correct option.

We would prefer ............... a mortgage on the house. It's too risky in our view.

Complete the sentence with the correct verb form.

How many exams (she, pass) ... so far?