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【单选题】
发现外星人 UFO 的人类直升机是( )A.
工蜂九号
B.
马蜂七号
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皮皮学刷刷变学霸
举一反三
【单选题】“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
【单选题】you must have ____ Beyonce, and she is a very famous singer who sang a song for the 77th Annual Academy.
A.
heard from
B.
heard
C.
heard on
D.
heard about
【单选题】You must have ________ Beyonce, and she is a very famous singer who sang a song for the 77th Annual Academy Awards (第77届奥斯卡金像奖颁奖典礼). [ ]
A.
heard from
B.
heard
C.
heard on
D.
heard about
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