Our music teacher is always heard _______ in the music room.
#50599
A
sing
B
sang
C
singing
D
to sing
推荐题目
Neil Armstrong is the first man         .
#48796
A
walk on the moon
B
walk on moon
C
to walk on the moon
D
to walk on moon
We must hurry up.There are few minutes        .
#48747
A
to leave
B
leaves
C
left
D
leave
It is difficult for the students______  the homework on weekends. 
#49154
A
finish
B
to finish
C
finishing
D
finished
How amazing it was _________ the 2012 Shanghai F1 Race!
#48633
A
watch
B
watches
C
to watch
D
watching
Her cousin plans _________ a very _________ vacation.
#50026
A
take; relaxed
B
to take; relaxed
C
to take; relaxing
D
taking; relaxing