Our music teacher is always heard _______ in the music room.
#50599
A
sing
B
sang
C
singing
D
to sing
推荐题目
Since you are tired, you’ d better and have a good rest.
#48426
A
to stop to study
B
stop to study
C
stop studying
D
to stop studying
Fruit and vegetables are good for us. We need them __________ healthy.
#48814
A
keep
B
keeping
C
to keep
D
keeps
