. Research findings show we spend about two hours dreaming every night, no matter what we ____ have done during the day. 

Kunming is called “Spring City”, but it _____ snow in winter.

If they       what I was saying, they'd know what I was talking about

Grace doesn’t want to move to New York because she thinks if she _____there ,she wouldn’t be able to see her parents very often.

—_____ he start at once or wait for a while?—Let him start at once.