单项选择题

Hardly ______ the classroom when the class began.

A．had he entered
B．he had entered
C．he entered
D．he was entered

相关考题

On Sundays I prefer ______ at home to ______ out.A．to s...

单项选择题On Sundays I prefer ______ at home to ______ out.

A．to stay, go
B．stay, going
C．staying, going
D．staying, go

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