In spring, we can often hear some birds_______ in our school.
#54239
A
singing
B
sing
C
to sing
D
sings
推荐题目
--- I feel tired and sleepy.--- Why not stop ______ yourself?
#58494
A
relaxing
B
to relax
C
resting
D
to work
— Do you have a baseball?— __________. But Lily has one.
#54621
A
Yes, I do
B
No, I don’t
C
Yes, I am
D
No, I am not
You must ______the English course one month before it begins.
#52505
A
pay for
B
paid for
C
be paid for
D
be spent on