Question

Melissa was interested in ________ piano.

1. A.
   playing
2. B.
   playing the
3. C.
   to play
4. D.
   play the

Answer 1

B
解析：
介词in后面接动词-ing形式，乐器前面应加上冠词the，而球类和三餐饭前面不能加冠词the。