It will be quite a long time she is back again, so don’t be too cross with her.A. beforeB

发布时间:2020-08-17 01:30:12

It will be quite a long time      she is back again, so don’t be too cross with her.
A. before
B. since
C. that
D. until

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(答案→)A. before
B. since
C. that
D. until
解析:考查连词,since表示自从…;until直到…;时间段+ before,过了多久就……;before主要引导时间状语从句,意为“先于”“…之后才”“(不多久)就…”。当主句是将来时时,从句谓语动词须用现在时;当主句是一般过去时或过去完成时时,从句常用过去时。before引导的时间状语从句不能用于否定式。
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