填空题

Since I (finish) ______ reading the book, I can return it to the library.

【参考答案】

have finished
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填空题
He talks as if he (know). ______ all about what has just happened.
单项选择题
A．Great, congratulations!B．It is very difficult.C．She is very clever.D．The university is very famous.
A．Great, congratulations!
B．It is very difficult.
C．She is very clever.
D．The university is very famous.
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