On weekdays,we have to go to bed _______ nine o"clock. [ ]A. in B. byC. onD.

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On weekdays,we have to go to bed _______ nine o"clock. [ ]
A. in
B. by
C. on
D. at

答案

举一反三

My uncle went to Hawaii ____ vacation last month.      [     ]
A. in
B. with
C. on
D. at

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—I read your article ____ the school magazine. It is wonderful.
—Thank you.       [     ]
A. on
B. at
C. in
D. for

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I can"t agree ____ you.  That play isn"t interesting.      [     ]
A. to
B. with
C. on
D. at

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Maria, do you have to go to bed ____ 10: 00 every night?         [     ]
A. of
B. in
C. on
D. by

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Betty arrived ____ London ____ the morning of June lst.         [     ]
A. at; in
B. at; on
C. in; in
D. in; on

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