单项选择题

He demanded that we explain what was happening,

A．hadn't we
B．didn't we
C．hadn't he
D．didn't he

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单项选择题

So badly ______ in the accident that he had to rest for a few days at home.

A．did he wound
B．he was wounded
C．he wounded
D．was he wounded

单项选择题

Some students are enthusiastic for positions in Student organizations probably because （）

A．they hate the constant pressure and strain of their study
B．they will, then be able to stay longer in the university
C．such positions help them get better jobs
D．such positions are usually well paid