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单项选择题

Her suggestion that everybody ______ was not appreciated.

A．sing a song
B．sang a song
C．sung a song
D．singing a song
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热门试题

单项选择题The medicine can prevent you ______.

A．from getting drunk
B．got drunk
C．get drunk
D．being drunk

单项选择题I spent half an hour ______ this difficult math problem.

A．having worked on
B．to work on
C．on work
D．working on