—Do you know about the accident which happened in the center of the city? —Yes.

—Do you know about the accident which happened in the center of the city? —Yes.

题型:不详难度:来源:
—Do you know about the accident which happened in the center of the city?
—Yes. But it was some time           we realized the truth.
A.before B.whenC.sinceD.until

答案
A
解析

试题分析:考查连词辨析。句意:——你知道发生在市中心的那起事故吗?——知道。但过了一段时间之后我才知道真相。答案选A。 句型:It was some time before……表示“过了一段时间之后才……”。
举一反三
It just isn’t fair. _____ I was working as a waiter last month, my friends were lying on the beach.
A.Whenever
B.Though
C.For
D.While

题型:不详难度:| 查看答案
As the spokeswoman said, ______ we should take action against them depends on what they will do.
A.whyB.ifC.whetherD.that

题型:不详难度:| 查看答案
_______ there are many different types of food, some animals spend their lives eating only one type.
A.SinceB.UnlessC.OnceD.While

题型:不详难度:| 查看答案
A ban is called for by the residents __________ people shouldn’t walk dogs in that square.
A.whatB.whetherC.whyD.that

题型:不详难度:| 查看答案
___ I saw her, she was working in a shop.
A.The last timeB.For the last time.C.To the last time.D.In the last time.

题型:不详难度:| 查看答案
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