Generally speaking,     according to the directions,the drug has no side effect.
#97786
A
when taking
B
when taken
C
when to take
D
when to be taken
推荐题目
The airport ______ next year will help promote tourism in this area.
#90913
A
having been completed
B
completed
C
being completed
D
to be completed
 It is no use ____ without _____.
#97528
A
to talk, doing
B
taking, being done
C
talking, doing
D
being talked, being to do