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Thisis        elephant.Itis       .A.a18yearsold,18year...

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Thisis        elephant.Itis       .A.a18yearsold,18year...

This is         elephant. It is        .

A. a 18 years old, 18 years old       B. an 18-year-old, 18 years old

C. an 18-years-old, 18 years old     D. an 18-year-old, 18-year-old

【回答】

B

知识点:构词法

题型:选择题