填空题


【参考答案】

does→did。
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填空题
friend→friends。
单项选择题
A．It will be easy to understand.B．Students will be tested on all the material discussed in class.C．It will cover topics from a wide variety of academic fields.
A．It will be easy to understand.
B．Students will be tested on all the material discussed in class.
C．It will cover topics from a wide variety of academic fields.
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