单项选择题

The woman ______ herself to doing scientific research.

A．took
B．assigned
C．arranged
D．committed
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单项选择题
He _______ the picture on the wall.
A．hanged
B．hung
C．has hanged
D．was hanged
单项选择题
The pie tastes ______, I'd like to try some more.
A．well
B．good
C．bad
D．badly
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