.Generally speaking ,____according to the directions,the drug has no side effect.

题目

.Generally speaking ,____according to the directions,the drug has no side effect.
A.when taking B.when taken C.when to take D.when to be taken

答案

此处选择B这个空是填when taking还是when taken 要看后一个句子的主语是什么.这里由the drug得知主语是drug,由于药只能被吃所以是taken.若主语是人,就应该是:.Generally speaking , when taking according to the di...