1.Winter comes ___ autumn.
【after】
2.We should do something to stop sandstorms ___ happening again.
【from】 stop sth from doing 阻止某物做某事
Not only(A) his sisters but also(B) May were(C) asked to sing(D) some songs.
【C was】
We must(A) do everything (B) like(C) the teacher says(D) .
【C as】
It looks(A) as if(B) my parents treat(C) me as a visitor and(D) a guest.
【D or】