单项选择题

The symbols of mathematics（）we are not familiar are the signs of addition, subtraction, multiplication, division and equality.

A. to which
B. with which
C. which with
D. in which

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单项选择题
It is quite（）that he will be present at the meeting.

A. certain
B. sure
C. might
D. exact
单项选择题
After watching the movie,（）

A. the book was read by him
B. the book made him want to read it
C. he wanted to read the book
D. the reading of the book interested him
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