Помогите, пожалуйста!!)) Fill in the right preposition (at, in, on, after, before,...

Question

Помогите, пожалуйста!!))
Fill in the right preposition (at, in, on, after, before, during, within, by, on)
1. I would like to know if you could make it ______tomorrow.
2. He should come ______ a few minutes.
3.She promised to call back ______ an hour.
4.The President will be in evidence ______ the Senate Committee.
5. We will know everything ______ he comes.
6.This contract will be confirmed ______ December.
7.There were two intervals ______ the performance.
8.____this occasion I would like to express my thanks.
9.There's an excellent restaurant ______ the end of the street.
10.______ the end everything was fine.
11. It didn't happen yesterday but the day ______ yesterday.
12.I am ______ loss, I don't know what to do.
13. The vocabulary seems to be easy ______ the beginning.
14.We wanted to hide ______ a big storm.
15._______ Christmas day our family eat carp.

Answer 1

1. I would like to know if you could make it ___by___tomorrow.
2. He should come __within____ a few minutes.
3.She promised to call back ___in___ an hour.
4.The President will be in evidence ___before___ the Senate Committee.
5. We will know everything ___after___ he comes.
6.This contract will be confirmed ___in___ December.
7.There were two intervals ___during___ the performance.
8.__On__this occasion I would like to express my thanks.
9.There's an excellent restaurant ____at__ the end of the street.
10.___In___ the end everything was fine.
11. It didn't happen yesterday but the day __before____ yesterday.
12.I am ___at a___ loss, I don't know what to do.
13. The vocabulary seems to be easy ___at___ the beginning.
14.We wanted to hide __during____ a big storm.
15.____On___ Christmas day our family eat carp. 

Answer 2

1) by
2) in 
3) within
4) before
5) after
6) in
7) during
8) on
9) at
10) by
11) before
12) on
13) at
14) during
15) on