—May I go out now, Dad? —No. You ___________let your mother know first. [

题型：同步题难度：来源：

—May I go out now, Dad?
—No. You ___________let your mother know first. [ ]
A. can
B. may
C. need
D. must

答案

举一反三

Predicting the future______ be a difficult thing.              [     ]
A. need
B. can
C. is
D. should

题型：同步题难度：| 查看答案

Mary asked me if she _____ borrow my storybook. [ ]
A. can
B. could
C. couldn"t
D. can"t

题型：同步题难度：| 查看答案

—What did she say?
—She said that she_____three languages.          [     ]
A. spoke
B. could spoke
C. could
D. could speak

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-May I park my car here?
-Sorry, you __________. It"s a "No parking" place.[ ]
A. needn"t
B. don"t
C. aren"t
D. mustn"t

题型：期中题难度：| 查看答案

Students_____spend much time on computer games.     [     ]
A. should
B.  shouldn"t
C.  have to
D.  don"t have to

题型：同步题难度：| 查看答案