单项选择题

This medicine ______ before dinner.

A．should have took
B．should have been taken
C．should be took
D．should have been took
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单项选择题
The day breaks ______ the birds are singing.
A．because
B．that
C．for
D．where
单项选择题
His health is ______.
A．as poor, if not poorer than
B．poor as his sisters if not poor
C．as poor, if not poorer than his sister's
D．as poor as, if not poorer than his sister's
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