【題目】There are about five _________ young trees on the hill.

A. hundred B. hundreds C. hundred of D. hundreds of

【答案】A

【解析】句意：山上大約有500棵小樹(shù)苗。hundred前如果有具體的數(shù)字，hundred用單數(shù)形式，且后面不能與of連用。答案為A。

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