Tom has been in China for 3 years ,now he is very comfortable___(Speak)Chinese.求这道题的正解及原因

问题描述:

Tom has been in China for 3 years ,now he is very comfortable___(Speak)Chinese.求这道题的正解及原因

feel /be comfortable doing sth固定搭配
因此用speaking,中文意思:现在他说英语感觉很好

speaking
因为前边有is .very comfortable?副词的作用.