our duty        some housework at home
#48790
A
It’s ;to do
B
It’s ;doing
C
That’s;doing
D
That’s; to do
推荐题目
Do you like _________ music in the evening ?
#50299
A
to listen
B
to listen to
C
listening
D
listening to
Mary is looking forward to _____ from me , please remember _______ this letter on your way to school .
#49339
A
hear ; send
B
hearing ; sending
C
hearing ; to send
D
hear ; sending
We should wear special boots __________ us floating away into the space .
#48510
A
to prevent
B
preventing
C
prevent
D
prevented
It is difficult for the students______  the homework on weekends. 
#49154
A
finish
B
to finish
C
finishing
D
finished