【推荐1】用适当的情态动词填空
①These flowers have died. You ___________ have watered them.
②___________ you tell me what time it is, please?
③Henry ___________ walk when he was one year old.
④We are going for a walk. ___________ you like to join us?
⑤___________ she be ten years old next month?
⑥The road is wet. It ___________ have rained last night.
⑦He was waited outside for half an hour. ___________ he come in?
⑧I ___________ have hurt your feelings but it was not my intention.
⑨—What ___________ it be?
—It can’t be a desk, for it is moving. It must be a car.

【推荐2】There __________ not be any difficulties since you have practiced a lot. (用适当的词填空)

【推荐3】—Isn’t that your headteacher over there?
—No, it ________be him. I’m sure he has just left.