How kind you are! You always do what you can ________ me.
#49665
A
help
B
helping
C
to help
D
helps
推荐题目
I can’t stand _____ for you so long.
#50495
A
to wait
B
waiting
C
waits
D
waited
--- 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