Question

—Shall we go on            visit to Shanghai after the exam?

—No. I have to practice playing            piano.

1. A.
   a; the
2. B.
   /; the
3. C.
   a; /
4. D.
   the; a

Answer 1

A
go on a visit to +地点，表示去某地参观，play后跟乐器要加定冠词the，故选A。