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
Jim couldn’t understand how the machine worked until his friends____ how to use it.
#61364
A
promised
B
explained
C
thought
D
heard
The stone is____ heavy for me _____.
#58221
A
too ; to carry
B
to ; too carry
C
very ; to carry
D
too ;carry