单项选择题

All I'm trying to do is to （） why your condition has not improved.

A．look for
B．find out
C．search for
D．get in

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单项选择题

Two-thirds of his property （） lost in the fire.

A．were
B．are
C．had been
D．was

单项选择题

I found my daughter sitting in the kitchen, crying （）.

A．strongly
B．bitterly
C．heavily
D．deeply

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