Paper-making is _____ of ancient China.[ ]A. one of greatest inventorB. one

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Paper-making is _____ of ancient China.[ ]
A. one of greatest inventor
B. one of the greatest inventors
C. one of greatest invention
D. one of the greatest inventions

答案

举一反三

I have two sweaters,one is made of cotton,and ___ is made of wool. [ ]
A. other
B. the other
C. others
D. the others

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She is playing _____in the classroom.        [     ]
A. piano
B. the piano
C. a piano
D. an piano

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He often plays ______ chess, but doesn"t play _____ violin.         [     ]
A. /; the
B. the; /
C. a; the
D. the; the

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—Mum, where is my CD player?
—It"s in _____ white bag on your desk. [ ]
A. a
B. an
C. the
D. 不填

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He was so happy because he got _____ in this exam.[ ]
A. a name
B. a class
C. the first name
D. the second name

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