-I'm so sorry that you didn't win the skating marathon.
-How long _____ you ______?
-I skated for 5 hours.
A.have, been skatingB.were, skating
C.have you skatedD.did, skate
D

試題分析:句意:你沒有贏得滑冰賽,我很難過。你已經(jīng)滑了多久了?5小時(shí)。題中用了I skated for 5 hours表示動(dòng)詞的過去時(shí)表示動(dòng)作在過去發(fā)生,所以問的時(shí)候也用一般過去時(shí)不用現(xiàn)在完成時(shí),故選D
點(diǎn)評(píng):動(dòng)詞的時(shí)態(tài)是學(xué)習(xí)英語過程中非常重要的知識(shí)。現(xiàn)在完成時(shí)表示動(dòng)詞在過去發(fā)生對(duì)現(xiàn)在造成的影響,F(xiàn)在完成時(shí)往往和already,yet,for+一段時(shí)間,since+點(diǎn)時(shí)間的時(shí)間狀語連用。一般過去時(shí)只表動(dòng)詞在過去發(fā)生,一般現(xiàn)在時(shí)表示習(xí)慣性的動(dòng)詞或是客觀真理、事實(shí)。
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