Question

I think ______ in the old people’s home is great fun.

A．volunteer	B．volunteered
C．volunteering	D．to volunteering

Answer 1

C

试题分析：句意：我认为在养老院从事志愿活动很有趣。A. volunteer 志愿者；动词，志愿  B.volunteered过去式，志愿 ；C. volunteering动名词，志愿；D. to volunteering结构错误。根据句意及四个选项的意思分析，句中需要作主语，所以用动名词，故选C。