Don't leave for there until__________ to do so.
A.you'll be toldB.toldC.tellingD.you are told
B D

試題分析:首先,該句考察的是狀語從句的時態(tài)問題,我們常講“主將從現(xiàn)”,故從句應(yīng)用一般現(xiàn)在時或現(xiàn)在完成時,另意為:不要去那除非有人叫你去,故選 D ,另外when, while, if, as if, although / though, as, until, once, whether, unless, where等引導(dǎo)的從句中,如果其謂語為be,而主語與主句的主語相同時,則從句的主語和be可省略。主句為祈使句,主語為you,而從句主語為you,謂語動詞為be,故而選B。
點(diǎn)評:狀語從句是我們十分熟悉的從句,考試中?疾樗臅r態(tài)問題及由此而產(chǎn)生的諸如省略一系列問題,平時學(xué)習(xí)時要給予足夠的重視。
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