单项选择题

Scarcely（）asleep when a knock at the door awakened me.

A．had I fallen
B．I had fallen
C．fell I
D．I fell

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单项选择题

A．10 percent high
B．10 percent higher
C．10 percent highest
D．higher 10 percent

单项选择题

A．Not receiving
B．Receiving not
C．Not having received
D．Having not received

单项选择题

A．shall we
B．do we
C．don't you
D．don't we