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The field research will take Jone and Paul about five months; it will be a long time ____ we meet them again.

A. after
B. before
C. since
D. when
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科目:高中英語(yǔ) 來(lái)源:0103 月考題 題型:單選題

The field research will take Jone and Paul about five months; it will be a long time ____ we meet them again.
[     ]
A. after
B. before
C. since
D. when

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科目:高中英語(yǔ) 來(lái)源: 題型:

 The field research will take Jone and Paul about five months; it will be a long time ____we meet them again.

A. after  B  before  C   since  D  when

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