单项选择题

If the fire alarm is sounded, all residents are requested to______ in the courtyard.

A．converge
B．assemble
C．crowd
D．accumulate
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单项选择题
Bob missed the last bus and was ready to walk all the way home when a van______ beside him.
A．closed up
B．brought up
C．pulled up
D．hung up
单项选择题
At the police station Jones was asked to______ the man who had stolen her purse.
A．recognize
B．claim
C．identify
D．arrest
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