—Visitors need to know all the travel routes to Paris, ______?—Sure. But The trip has not arranged.A. do they B. need they C. don't they D needn't they
____ they ____ a cow yesterday?
—Why are you standing here, Tom? —I can’t see the blackboard clearly. Two tall boys are sitting ____ me.
— _____ juice is there in the glass? There isn’t _____.
Look at the ____ ! It’s ____ heavily now.
—How was your vacation last Sunday? —_____ , we had a nice day.