单项选择题

All the firemen in the city were ______ to fight against the big fire.

A．called in
B．called off
C．called up
D．called on
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单项选择题
I don't know his address, ______.
A．otherwise I will write to him
B．otherwise I would write to him
C．otherwise I had written to him
D．otherwise I would have written to him
单项选择题
Maggie ran back to the kitchen, eggs ______ carefully in her hands.
A．to be held
B．held
C．were held
D．holding
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