“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”
#89565
A
must be
B
must have been
C
might be
D
can have been
推荐题目
We would have called a taxi yesterday if Harold ______us a ride home.
#87308
A
didn't offer
B
wouldn't offer
C
hasn't offered
D
hadn't offered
 They didn’t turn up at the meeting yesterday. Otherwise, they _________ the report. 
#87558
A
had listened to
B
would listen to
C
should listen to
D
would have listened to