It is difficult for the students______ the homework on weekends.
#49154
A
finish
B
to finish
C
finishing
D
finished
推荐题目
Don’t forget ________ the lights before you go to bed.
#49236
A
turn off
B
turning off
C
to turn off
D
turns off
--- It’s too hot. Would you mind _____ the door? --- ______. Please do it now.
#50610
A
to open ; OK
B
to open ; Good idea
C
opening ; Of course
D
opening ; Certainly not