Question

There is ________ boy in the corner.

A．a(chǎn) 11 years old	B．a(chǎn) 11-year- old
C．a(chǎn)n 11-years- old	D．a(chǎn)n 11-year-old

Answer 1

D

本題缺修飾boy作定語(yǔ)的形容詞，而合成形容詞中的名詞應(yīng)用原形，即11-year-old；11（eleven）是以原音開頭的詞，其前應(yīng)用冠詞an，故選D。