(　　)28. Jack is ________ boy and he is old enough to go to school.
(A) a six-year-old　
(B) six year old　
(C) six-years-old　
(D) six years old

答案：登入後查看
統計： A(61), B(4), C(13), D(15), E(0) #359955

詳解 (共 1 筆)

#972661

Jack is six years old .(已是完整句，後面不加boy)

 six-year-old　形容詞


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