Don’t forget to lock the door if you are the last person _________. 
#49763
A
leave
B
to leave
C
leaving
D
left
推荐题目
Do you enjoy ________ books?
#50698
A
seeing
B
reading
C
to see
D
to read
They enjoy _____ piano in their free time.
#49914
A
play
B
playing
C
playing the
D
to play a
How kind you are! You always do what you can ________ me.
#49665
A
help
B
helping
C
to help
D
helps