__do you go to bed? At 6:30.A.When B.Who C.What
My friends are very________to me.
Remember not to speak________when we are in the reading room.
—________ we ask you some questions?—Sure, go ahead!
—________ I finish the work today?— No, you ________.
This book ________ Lucy’s. Look! Her name is on the cover.A. can’t be B. may be . mustn’t be D. must be