单项选择题

You ______ such a long essay; our teacher only asked for 200 words, and you have written 300!

A. mustn’t have written
B. couldn’t have written
C. needn’t have written
D. might not as well have written
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单项选择题
Which of the following is NOT true
A．Teaching assistants are students themselves.
B．Every T.A. needs to pass the English test.
C．USC boasts a large number of overseas students.
D．In USC, specialized programs are provided for T.A. s.
单项选择题
Which of the following is NOT true about the man
A．The next thing he would do is to go to the reserve room.
B．He came to the library to borrow a book on physiology.
C．He could only read the book in the reserve room.
D．At first, he didn’t know the meaning of "on reserve".
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