-Ithasbeenraining________yesterdayafternoon．-Yes,ithasrained________15h

发布时间：2020-08-05 01:50:01

-It has been raining ________ yesterday afternoon．-Yes, it has rained ________ 15 hours．A.since; sinceB.for; forC.since; forD.for; since

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C解析时间点用since，时间段用for。
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