Я не понимаю как сделать этот номер помогите пожалуйста

a) did it happen

b) it happened

c) did you miss

d) yes, I did

2

a) have your friends ever been

b) yes, they have

c) they went

d) did they go

e) they went

f) did they have

g) no, they didn't

h) it rained