“I know she was in because I heard her r
题型:选择题
问题:
“I know she was in because I heard her radio, but she didn’t open the door.” “She___the bell.”
A.may not be hearing
B.may not have heard
C.must not have heard
D.must not be hearing
“I know she was in because I heard her radio, but she didn’t open the door.” “She___the bell.”
A.may not be hearing
B.may not have heard
C.must not have heard
D.must not be hearing