求助几道英语选择题~急需!!!先O(∩_∩)O谢谢个位啦~
1.Thefiremenhavebeenexaminingtheground_______yesterday.A.sinceB.forC.agoD.by2.Theydis...
1.The firemen have been examining the ground _______yesterday.
A.since B.for C.ago D.by
2.They discovered the cause _________.
A.by chance B.chancily C.fortunately D.luckily
3.The bird had snatched up the snake form the ground.It had _____it.
A.taken B.pulled C.seized D.caried
4.She had hardly got backto the kitchen _______ doorbell rang.
A.when B.lthen C.as D.as soon as
就这4道,先O(∩_∩)O谢谢个位囖~ 展开
A.since B.for C.ago D.by
2.They discovered the cause _________.
A.by chance B.chancily C.fortunately D.luckily
3.The bird had snatched up the snake form the ground.It had _____it.
A.taken B.pulled C.seized D.caried
4.She had hardly got backto the kitchen _______ doorbell rang.
A.when B.lthen C.as D.as soon as
就这4道,先O(∩_∩)O谢谢个位囖~ 展开
4个回答
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1 A since+时间点 用于现在完成时
2 A 偶然地
3 C 抓住
4 A 固定句型:when引到时间状语从句,主句使用过去完成时
2 A 偶然地
3 C 抓住
4 A 固定句型:when引到时间状语从句,主句使用过去完成时
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