---The window is dirty.
---I know. It ______ for ages and I’m considering giving the task to our children.
A．hasn’t cleanedB．hasn’t been cleaned
C．wasn’t cleanedD．didn’t clean
B

試題分析：考查時(shí)態(tài)語(yǔ)態(tài)：句意：--這個(gè)窗戶很臟。--我知道，已經(jīng)很長(zhǎng)時(shí)間沒(méi)擦了，我在考慮把這個(gè)任務(wù)給孩子們�？芍皯羰沁^(guò)去到現(xiàn)在很長(zhǎng)時(shí)間沒(méi)有被擦，用現(xiàn)在完成時(shí)的被動(dòng)。選B。
點(diǎn)評(píng)：英語(yǔ)中的時(shí)態(tài)主要由動(dòng)詞的形式?jīng)Q定，因此在學(xué)習(xí)英語(yǔ)時(shí)態(tài)時(shí)，要注意分析動(dòng)詞形式及具體語(yǔ)境，想象在那個(gè)特定的時(shí)間動(dòng)作所發(fā)生的背景，這個(gè)動(dòng)作是經(jīng)常性動(dòng)作、一般性動(dòng)作、進(jìn)行性動(dòng)作、完成性動(dòng)作還是將要發(fā)生的動(dòng)作。這題關(guān)鍵是for ages這個(gè)時(shí)間。是和現(xiàn)在完成式或現(xiàn)在完成進(jìn)行時(shí)連用。
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