—What does this sign mean, Miss Chen?—Oh, it says that we ________take photos here.A. needn’t B. may not C. mustn’t
–Mom, may I go swimming with my friends in the river? –No, you _________. That’s too dangerous.
--It’s said that __________ people died from car accidents in 2011. --How terrible!
Of the three answers, I think yours is __________.
Xinjiang is so beautiful that I want to stay here for ________ week.
Jerry __________ to stay at home just now.