You shouldn’t leave the door _____when you go out.
#51136
A
close
B
closing
C
open
D
opening
推荐题目
When we came to the gate, he stopped _______ me go in first. 
#51364
A
to let
B
to tell
C
to allow
D
to ask
Do you enjoy __________ on the Internet?
#49165
A
surfing
B
surf
C
to surf
D
surfed
Please tell Tom ______ too much noise.
#51078
A
to make
B
not to make
C
to not make
D
don’t make