问题
Generally speaking_______acording to theinstructions，the drug has no side effect.
A:when taking
B:when taken
C:when to take D.when to be taken;
D:when to be taken;
B:when taken
C:when to take D.when to be taken;
D:when to be taken;
正确答案是：
同类题型
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－＿＿ five yuan enough for a tin of dog food －Of course not.
It _______ him about half an hour to get to school every morning.
ade out, the law must be carriedout ______ any difficulty
He bought a book that could glee him muchknowledge and ______ could help him to kill the time