Question

      around the fire, the tourists danced with the local people.                                                                                                                                                                                                 

A．Gather	B．To gather
C．Gathering	D．To be gathering

Answer 1

C

考查非谓语，表示时间状语从句。根据句子意思“围在火堆边，游客和当地人跳起舞来。因此选C。to do不定式表示目的，  to be doing 一般做表语。