We had to be patient because it ________ some time ________ we got the full resu

We had to be patient because it ________ some time ________ we got the full resu

题型:不详难度:来源:
We had to be patient because it ________ some time ________ we got the full results.
A.has been;sinceB.had been;until
C.was;afterD.would be;before

答案

解析
D
解析 在“it+be+一段时间+before/after/since+从句”句型中,before从句中的动作经过一段时间后才会实现;after从句中的动作发生后已经过去了一段时间;since从句中的动作完成后到现在已经有一段时间了。结合题意可知,答案为D项。
举一反三
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A.Although B.And
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A.howB.what
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