Generally speaking, when___ according to the directions, the medicine has no side effect.
#94112
A
taken
B
taking
C
to take
D
to be taken
推荐题目
A new way of teaching _____ in the article can make learning easier.
#88865
A
introduced
B
has introduced
C
was introduced
D
is being introduced
Tea ceremony, though it is now most popular in Japan, is said_______ in ancient China.
#91520
A
to have been originated
B
to be originating
C
to have been originating
D
to have originated
The place is worth _________.  
#95676
A
pay a visit
B
paying a visit to
C
paying a visit
D
pay a visit to