【題目】––I think the paper is taking you a long time to write.

––I ________ on it for almost a month now.

A. worked B. was working C. am working D. have been working

【答案】D

【解析】考查時(shí)態(tài)。上句：我想寫(xiě)這篇論文要花你很長(zhǎng)時(shí)間。下句：我寫(xiě)了差不多一個(gè)月了。寫(xiě)論文這個(gè)動(dòng)作從過(guò)去某一時(shí)間開(kāi)始，一直持續(xù)到現(xiàn)在，根據(jù)語(yǔ)境，可能仍然要繼續(xù)下去，所以要用現(xiàn)在完成進(jìn)行時(shí)，故答案為D。

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