题目内容
Ben is a hard-working writer. He wrote his ________ novel when he was ________ years old.
A.fifth; fifty B.fifth; fiftieth C.five; fifty D.five: fiftieth
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题目内容
Ben is a hard-working writer. He wrote his ________ novel when he was ________ years old.
A.fifth; fifty B.fifth; fiftieth C.five; fifty D.five: fiftieth