Do you know the difficulty he had _______the work?
#97283
A
on finishing
B
to finish
C
finishing
D
finished
推荐题目
Mrs. Brown was much disappointed to see the washing machine she had had ____ went wrong again.
#90738
A
it
B
it repaired
C
repaired
D
to be repaired
When ________ questions in class, one should answer them as clearly as possible.
#94179
A
asking
B
to ask
C
to be asked
D
asked
I suggested that the problem _____as soon as possible.
#90768
A
referred to being solved
B
referred be solved
C
referred to be solved
D
referred should be solved
The best way Tom thought of_________ his strength is to run for 30 minutes every day.
#94542
A
building up
B
to build up
C
build up
D
being built up