Автор - vernerdima
Ответ:
1. on, at 2. in, of 3. for 4. on 5. in, in
1. may 2. do not have to 3. can 4. must
Объяснение:
1...on Monday at 2 o'clock
2 ....in front of...
3 .... for Becky....
4....on Tuesday
5...in December in Russia
1 may
2 I don't have to(must not) get up early
3 can
4 must