Themothertaughtherdaughter       thepiano.A.play       ...

问题详情：

The mother taught her daughter        the piano.

A. play                                                B. played

C. to play                                             D. playing

【回答】

C  teach sb. to do sth. 意为“教某人做某事”。

知识点：非谓语动词

题型：选择题