Кто знает английский помогите

16) a
17) a
18) c
19) a
21)
1. if i had studied hard for exams
2. if i liked korean or chinese food
3. if i was cold
4. if Tony had been enjoying himself
5. would they had done the job by the time she got back
6. if she you would be seeing John at the meeting tomorrow
7. if she was there
22)
1. what time i had gotten home
2. why wouldn't he let me in
3. whose composition i hadn't heard
4.which films had won prizes for exports
5. why Maria was crying
6. what i had been doing all the time
7. which of us were waiting to see the doctor next
24)
1. to finish the job tonight
2. not to use the telephone after 11 o'clock
3. not to spend to much money on her holiday
4. to run
5. not to touch that switch
25)
1. if i would like to stay with them
2. if i would like to see her holiday photographs
3. if i would like another piece of cake
4. if i would come the his party on Saturday