题目内容
Taking this kind of medicine, if ________, will possibly do him great harm.
[ ]
A.
to continue
B.
continued
C.
continues
D.
continuing
答案:B
解析:
解析:
continue此处用作及物动词,接在if后面,因为与逻辑主语是被动关系,所以要用过去分词,if continued相当于if it is continued,因为从句的主语it代替的就是主句中的主语Taking this kind of medicine,而且从句中有系动词,这种情况下,可把it is省去,构成省略形式。 |
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