【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】考查時態(tài)。上句：我想寫這篇論文要花你很長時間。下句：我寫了差不多一個月了。寫論文這個動作從過去某一時間開始，一直持續(xù)到現(xiàn)在，根據(jù)語境，可能仍然要繼續(xù)下去，所以要用現(xiàn)在完成進行時，故答案為D。

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