—Who do you think will get the first prize?
     —Mary, of course. She ________ for the competition for months.
A.is preparing B.was preparing
C.has been preparingD.had been preparing
C

試題分析:考查時(shí)態(tài)。本題的關(guān)鍵在于后面的時(shí)間狀語(yǔ)for months,該短語(yǔ)要和完成時(shí)或者完成進(jìn)行時(shí)連用,強(qiáng)調(diào)動(dòng)作從過(guò)去開(kāi)始持續(xù)到現(xiàn)在。句意:—你認(rèn)為誰(shuí)會(huì)獲得第一名?—當(dāng)然是Mary。在這幾個(gè)月里她一直都在為這次比賽做準(zhǔn)備。故C正確。
考點(diǎn):
點(diǎn)評(píng):時(shí)態(tài)題的考查關(guān)鍵是抓住句子的上下文含義和句中的時(shí)間狀語(yǔ)。要根據(jù)時(shí)間狀語(yǔ)來(lái)選擇合適的時(shí)態(tài),在平時(shí)的學(xué)習(xí)中要注意積累有關(guān)時(shí)態(tài)的用法和各種時(shí)態(tài)的特殊之處。如since, so far等經(jīng)常與現(xiàn)在完成時(shí)連用。在條件狀語(yǔ)從句中用一般現(xiàn)在時(shí)代替將來(lái)時(shí)等等。
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