—Let’s go to the zoo next week.—Why not go to the mountains? We can gothere.A. boatingB. h

问题补充：

—Let’s go to the zoo next week.

—Why not go to the mountains? We can gothere.

A. boating

B. hiking

C. swimming

D. shopping

答案：

A. boating

(答案→)B. hiking

C. swimming

D. shopping

解析：本题回答语建议的是我们去爬山，选项中和爬山有关的是徒步旅行，hike表示此意，故本题选B。