We __________ sightseeing tomorrow.

A. go          B. goes    C. are going       D. is going

---Let’s go sightseeing next weekend, Ben?

---That __________ nice.

A. feels       B. looks      C. sounds     D. becomes

——What about ____sightseeing this weekend ?
—— That sounds interesting!
A. go         B. to go      C. going