Rita and Anna have finished their homework, ______? A. have they B. haven’t they C. didn’t they
Mr Black ________ the flowers yesterday.
Wangfujing Street is one of __ streets in Beijing .Let’s go there for a shopping trip.
– Which coat is _______, the black one or the gray one?-- The black one, of course.
—You speak Chinese very well._______ have you learnt , Amy?---For two years.
– Must I return this book tomorrow?-- No, you _______. You can keep it until next weekA can’t B. needn’tC. mustn’t D. shouldn’t