I wondered what difficulty he had _____ the plan.
#89585
A
to carry out
B
carrying out
C
carried out
D
with carrying out
推荐题目
____ people think that the hit movie Matrix I (《黑客帝国1》)is well worth ____. 
#96921
A
The number of; watching
B
A number of; watching
C
The number of; to watch
D
A number of; being watched
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