It will be a long time Mr Black back from abroad.A. before;comesB. since;has comeC. before

发布时间:2020-08-17 15:11:33

It will be a long time      Mr Black      back from abroad.
A. before;es
B. since;has e
C. before;will e
D. after;will e

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(答案→)A. before;es
B. since;has e
C. before;will e
D. after;will e
解析: before 在句中意为“……才……”,后一空考查时间状语从句,用现在时表将来。
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