单项选择题

A．to be used
B．to have used
C．to have been used
D．to use
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单项选择题
A．imaginationB．creativityC．necessityD．accident
A．imagination
B．creativity
C．necessity
D．accident
单项选择题
Who repaired the machine last time when there was something wrong-with it
A．The man himself.
B．The woman herself.
C．The man from the shop.
D．The repairman from the repair shop.
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