【題目】The Grade 8 students in our school ________ here for one and a half years already.

A.studyB.studiedC.are studyingD.have studied

【答案】D

【解析】

句意：我們學(xué)校八年級(jí)的學(xué)生已經(jīng)在這里學(xué)習(xí)一年半了。

考查現(xiàn)在完成時(shí)。study學(xué)習(xí)；studied學(xué)習(xí)，study的過(guò)去式；are studying正在學(xué)習(xí)；have studied，studied的完成形式。根據(jù)句意可知，學(xué)生的學(xué)習(xí)是從過(guò)去開始的，一直持續(xù)到現(xiàn)在，有可能還會(huì)繼續(xù)下去。這屬于現(xiàn)在完成時(shí)態(tài)。其結(jié)構(gòu)是“have/has+過(guò)去分詞”。故選D。

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