I’m so glad I didn’t agree        it, otherwise it would have got me into serious trouble. 
#94513
A
having done
B
to do
C
doing
D
to have done
推荐题目
The children were playing games on the playground, ________ school uniforms.
#95561
A
all of them wore
B
all wearing
C
all of whom wearing
D
all were wearing
No matter how frequently _______, the works of Beethoven still attract people all overthe world.
#94629
A
performed
B
performing
C
to be performed
D
being performed