筏板钢筋端部锚固长度:He is ,and he hassister.A.ten years old,an eight-year-old B.ten-year-old,eight year old

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A.ten years old,an eight-year-old
有连字符的话，就不用复数了。

A
他十岁,有一个八岁的妹妹
前面ten years old和ten-year-old均可,eight-year-old为形容词,修饰sister

A “几岁了”说成”...years old”，而“几岁的”说成“ ...-year-old ”，要用连字符号。

选A

He __ be here soon.He usually is on time. 40 He is too careless and he____keys. ..... He is __,and he has__sister.A.ten years old,an eight-year-old B.ten-year-old,eight year old He is not tall.He can`t reach the basket.(同义句) He is not__ __ __to reach the basket. He is showing some __ from Japan around our school He is terribly ill.He needs a kind of __[power] Jack is a newspaper b( ).He is fourteen. He sells n( )and magazine he dropped the cup and now it is __________ He is so poor that he cannot keep body and soul together. __ quiet boy as he is, he speaks a lot after class.到底要不要冠词a?

筏板钢筋端部锚固长度:He is __,and he has__sister.A.ten years old,an eight-year-old B.ten-year-old,eight year old