—How old is Tom? —He is ____.He is ________ boy --优优班--学霸训练营

—How old is Tom?

—He is ____.He is ________ boy

A．eight years old, a 8-year-old

B．eight year old, an 8-years-old

C．eight years old, an 8- year-old

D．eight years old , an 8-years-old

【考点】可数名词及其单复数,基数词,形容词辨析,不定冠词,合成法

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【解答】请登陆后查看

难度：中等

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