You mother looks a bit disappointed. You have told her the truth.

题型：同步题难度：来源：

You mother looks a bit disappointed. You               have told her the truth.         [     ]
A．should
B．must
C．can
D．will

答案

举一反三

A lot of trees _______ in our town.              [     ]
A. should be planted
B. planted
C. are planting

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To make our city more beautiful, rubbish _      _ into the river.          [     ]
A. needn"t be thrown
B. mustn"t be thrown
C. can"t throw

题型：同步题难度：| 查看答案

Could you please _       me the book?             [     ]
A. passed
B. pass
C. to pass

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—Must I hand in my exercise book now?
—No, you _      .             [     ]
A. needn"t
B. can"t
C. mustn"t

题型：同步题难度：| 查看答案

She __________ know the answer, but I"m not sure.        [     ]
A. can
B. will
C. may
D. must

题型：期末题难度：| 查看答案