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
 We only heard about the meeting yesterday, so it ______ yet.
#42760
A
didn’t prepare
B
hasn’t prepared
C
wasn’t prepared
D
hasn’t been prepared
A young man ___ John _____ school recently.
#42489
A
calling; has left
B
called; will leave
C
calling; is leaving
D
called; has left