I enjoy listening to the songs _______by ourselves.
#96779
A
sung
B
sing
C
was sung
D
singing
推荐题目
There are so many beautiful cars________, but he is at a loss which to buy. 
#95594
A
to be chosen
B
to choose from
C
to choose
D
for choosing
    She won’t come over for a visit unless________.
#97350
A
being invited
B
invited
C
inviting
D
was invited
There are five pairs _______, but I’m at a loss which to choose.
#98607
A
to be chosen
B
to choose from
C
to choose
D
for choosing
There were two teachers named John ________at our school, which made some of our students _____.
#98551
A
working; confused
B
worked; confusing
C
work; confused
D
to work; confusing