--- When shall we restart our business?
--- Not until we _____ our plan.
A.will finish B.a(chǎn)re finishing C.a(chǎn)re to finish D.have finished
D

試題分析:考察時態(tài)。本句指的時間狀語從句中用現(xiàn)在完成時,代替將來時,表示到將來的某個時間已經(jīng)完成的事情。句意:—我們什么時候重新開始我們的生意?—直到我們制定好了我們的計劃。AB項是明顯錯誤。C項指的be to do sth表示注定做某事,不符合語境。故D正確。
點評:英語中的時態(tài)主要由動詞的形式?jīng)Q定,因此在學(xué)習(xí)英語時態(tài)時,要注意分析動詞形式及具體語境,想象在那個特定的時間動作所發(fā)生的背景,這個動作是經(jīng)常性動作、一般性動作、進行性動作、完成性動作還是將要發(fā)生的動作。
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