Generally speaking acording to theinstructions.the drug has no side effect.A.whe
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Generally speaking_______acording to the
instructions，the drug has no side effect.
A.when taking??? B.when taken?? C.when to take????? D.when to be taken
试题答案
【答案】
B
【解析】B 完整的说法应是when the drug is taken according to the directions，…。由于主句的主语和从句的主语相同，且从句中的谓语动词含有be的某种形式，因此可以省略从句的主语the drug和is。