—This winter H1Nl has become very popular in our country. —Don"t worry,

题型：同步题难度：来源：

—This winter H1Nl has become very popular in our country.
—Don"t worry, it by our government. [ ]
A. must be control
B. can control
C. can be controlled

答案

举一反三

—I like the party so much, but I        _ go home.  It"s too late.
—What a pity!               [     ]
A. have to
B. mustn"t
C. can

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—Jack. All the young trees____at once.
—OK. I"ll do it at once.[ ]
A. must be watered
B. must water
C. must be watering

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Another popular idea is that the Stonehenge       _ a kind of calendar.             [     ]
A. must be
B. can"t be
C. might be

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You _______ walk across the road. It’s dangerous.[ ]
A. may not
B. don’t have to
C. must not
D. needn’t

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—Your mother look a bit disappointed. You   __    have told her the truth.
—Yes, I have told her about the result of the exam.     [     ]
A. should
B. must
C. can

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