Her uncle′s health has greatly improved______ he stopped smoking.A.before B.

admin2020-12-24 57

问题 Her uncle′s health has greatly improved______ he stopped smoking.

选项 A.before
B.since
C.when
D.while

答案B

解析考查连词辨析。before“在……之前”，since“自从”，when“当……时”，while“当……的时候；虽然；然而”。根据句意“自从戒烟以来，她叔叔的健康已经有了很大的改善”可知，只有since符合题意。故选B。

转载请注明原文地址:https://ti.zuoweng.com/ti/3kO8KKKQ

相关试题推荐

随机试题

Truefriendshipislikesoundhealth,thevalue__________isseldomknownunt...