It is difficult for the students______ the homework on weekends.
#49154
A
finish
B
to finish
C
finishing
D
finished
推荐题目
I often see my mother __________ chess with my father after supper.
#48889
A
to play
B
played
C
play
D
playing
If you want to buy an expensive camera, we have several models for you ________.
#48381
A
to be chosen
B
to choose
C
to choose from
D
to be chosen from
