When you are sleeping, you had better______ all the windows closed.                                    
#59107
A
don’t keep
B
not keep
C
not to keep
D
not keeping
推荐题目
Jimmy is a good boy, He __________ his father. They are both clever and kind.
#54874
A
takes after
B
looks after
C
looks similar
D
looks the same
Bill with his parents ________ China since two years ago.
#55434
A
have been in
B
have gone to
C
has been in
D
has been to