单项选择题

Please tell him that he can dial 110 ______ emergency.

A．in the case
B．in a case of
C．in case
D．in case of
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单项选择题
This young man is so versatile in writing that he often ______ a poem.
A．throws down
B．throws off
C．throws back
D．throws away
单项选择题
The woman ______ the story that she couldn't help crying for several times.
A．involved so much in
B．was so involved into
C．was so involved in
D．involved so much into
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