I have two ___ and three sharp ___.
A. watches/knives
B. watches/knives
C. watchs/knifes
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— What color are the cats?— I think ___ white and black.
A. they’re
B. them
C.it’s
___ trousers are those?
A. Whose
B. Who
C. Which
___ hour equals sixty minutes.
An
B.A
C.C.不填
Mr. White, with his friends, ___ on a trip.
A. have
B. has
C. is