He looks very tired because he           well last night.
#39894
A
didn’t sleep
B
hasn’t slept
C
slept
D
sleeps
推荐题目
The meeting ______ for a week .
#37543
A
has finished
B
has ended
C
has been over
D
has been in
The volunteers      a lot of help to the community for nearly ten years.
#36876
A
offered
B
are offering
C
will offer
D
have offered