Question

【题目】Robert is good at playing piano although he is only 11-year-old boy．

A．/，the B．the，an C．a，/ D．the，the

Answer 1

【答案】B

【解析】

试题分析：句意：罗伯特擅长弹钢琴，尽管他只是一个11岁大的男孩。play the piano“弹钢琴”；11=eleven是元音音素开头，因此用不定冠词an修饰。故选B。