Question

【题目】Her daughter began to play _____ piano when she was four years old. Now she's very good at it.

A. an B. a C. / D. the

Answer 1

【答案】D

【解析】句意：她女儿四岁时开始弹钢琴。现在她很擅长。演奏（play）某种乐器前使用冠词the，即play the+乐器，本句“弹钢琴”是play the piano，结合句意和选项可知选D。