单项选择题

Seldom () my boss in such a good mood since I came to work in this company.

A.I saw
B.have I seen
C.I have seen
D.do I see

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单项选择题
I don't think there is () in the book on the desk.

A.something important
B.anything important
C.important something
D.important anything
单项选择题
-- What about the book --Oh, very good. It's worth () a second time.

A.reading
B.being read
C.to read
D.to be read
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