Mrs Green is a doctor of______and her daughter Ann is_____university sthdent
A.50 years old;an 18-year-old B.50-year-old;an 18 years old
C.50 years old;a 18-years-old D.50-years
人气：400 ℃ 时间：2020-01-27 21:56:18
解答
A
50 years old 形容词表示某一类人
an 18-year-old
1 18 /ei---/元音开头用an
2、18-year-old 相当于一个形容词修饰单位.
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