Excuse me could you tell me how to Beijing Zoo?　　Well you may take Bus No.27.A.

问题补充：

--- Excuse me, could you tell me how to Beijing Zoo?

--- Well, you may take Bus No.27.

A. get

B. gets

C. getting

D. to get

答案：

A. get

B. gets

C. getting

(答案→)D. to get

解析：本题是对非谓语动词中“疑问词+不定式”结构的考察，意思是“如何到达北京动物园”，所以选择 to do 的形式，表目的。