（英语选择）------ a noise just then?A.Have you heard B.Were you hearin_英语解答

（英语选择）------ a noise just then?
A.Have you heard
B.Were you hearing
C.Are you hearing
D.Did you hear
请高手讲清楚这个题目,谢谢!

人气：443 ℃　时间：2020-03-23 12:10:32

解答

just then用于一般过去所以选D