题目内容
-I phoned you at 7∶00 this morning.But there was no answer.
-Well, maybe I ________ morning exercises at that time.
[ ]
A.was doing
B.did
C.is doing
D.would do
答案:A
练习册系列答案
相关题目
题目内容
-I phoned you at 7∶00 this morning.But there was no answer.
-Well, maybe I ________ morning exercises at that time.
A.was doing
B.did
C.is doing
D.would do