
The secretary worked late into the night, ___a long speech for the president.
A. to prepare
B. preparing
C. prepared
D. was preparing
The secretary worked late into the night, ___a long speech for the president.
A. to prepare
B. preparing
C. prepared
D. was preparing
B
句中worked已經(jīng)是謂語動詞了,如果選D,句中就有兩個謂語動詞了,所以D錯誤。
現(xiàn)在分詞表主動,過去分詞表被動。由于“the secretary”與“prepare”是主動關系,所以C錯誤。
如果選A,就是動詞不定式表示目的,如果選B,就是現(xiàn)在分詞表示伴隨狀態(tài)。由于“worked”的實質就是“prepare a long speech for the president”,所以選A顯然不符合句意。
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