Generally speaking, ____according to the directions, the drug has no side effect.
#99018
A
when taking
B
when taken
C
when to take
D
when to be taken.
推荐题目
---Why do you look so upset?---There are so many troublesome problems ____.
#94721
A
remaining to be settled
B
remained settled
C
remaining to settle
D
remained to be settled
George returned after the war, only _______ that his wife had left him. 
#91707
A
being told
B
telling
C
to be told
D
told
The old man ____ down by a truck is being saved now. 
#90780
A
knocking
B
to knock
C
knocked
D
being knocked