Don’t worry the guide will tell you how to avoid ill while travelling.A. to getB. being

问题补充：

Don’t worry, the guide will tell you how to avoid ill while travelling.

A. to get

B. being gotten

C. getting

D. to be getting

答案：

A. to get

B. being gotten

(答案→)C. getting

D. to be getting

解析：avoid后接动名词，生病“get ill”没有被动语态。 别担心，导游会在旅行期间告诉你怎样避免生病。选C