Hi,Kate.You look tired.What's the matter?( )17.—Hi,Kate.You look tired.What’s the matter?—I _______ well last night.A.didn’t sleep B.don’t sleep C.haven’t slept D.won’t sleep为什么选A 不选C,没有睡好看起来很累应该是对现在有影响,用现在完成时?

问题描述:

Hi,Kate.You look tired.What's the matter?
( )17.—Hi,Kate.You look tired.What’s the matter?
—I _______ well last night.
A.didn’t sleep B.don’t sleep C.haven’t slept D.won’t sleep
为什么选A 不选C,没有睡好看起来很累应该是对现在有影响,用现在完成时?

last night是过去时的标志
用didn't