I need some carbon paper (复写纸) badly , but there is_____.
A. none
B. no one
C. nothing
D. not anything
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It is______ of your business.
A. nothing
B. none
C. not anything
D. no thing
________one of the two boys wants to try.
A. Each
B. Every
C. No
D. some
They have kept ____ of our letters.
A. everyone
B. on one
C. every one
D. any one
I have classes___day , Monday , Wednesday and Friday.
A. each other
B. other each
C. other every
D. every other