题目内容

A．WhileB．IfC．BeforeD．Once

A. While
B. If
C. Before
D. Once

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A．untilB．becauseC．thenD．therefore

A. until
B. because
C. then
D. therefore

A．enjoyedB．happenedC．turnedD．used

A. enjoyed
B. happened
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D. used

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A. much
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C. no
D. few

A．WithinB．AfterC．ForD．Over

A. Within
B. After
C. For
D. Over