Riding a bike backwards is______ unusual record. [ ]A. anB. theC. / D. a

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Riding a bike backwards is______ unusual record. [ ]
A. an
B. the
C. /
D. a

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举一反三

—It look like rain. Why not take ______ umbrella with you?
—Thank you. But I don"t think it"s necessary.[     ]
A. a
B. an
C. /
D. Several

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Avatar (阿凡达)is such _     wonderful  science fiction movie that I want to see it _        second time.             [     ]
A. a ; a
B. a ; the
C.；the
D.；a

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__ is the biggest animal on the earth?[ ]
A. An elephant
B. A koala bear
C. A giraffe Whales

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I  think  China  is _____  interesting  place. [     ]
A. a
B. an
C. the
D. /

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What does he look like? He is _____.[ ]
A. a reporter
B. 13 years old
C. at school
D. a medium height

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