单项选择题


A．when
B．during
C．since
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单项选择题
The project has now come to an end.
A．Right
B．Wrong
C．Doesn’t say
单项选择题
What is the result of the questionnaires
A．Future courses will be held in the factory.
B．The participants will be offered another course.
C．The balance of the course will be changed.
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