第1个回答 2008-06-21
keep in touch=get in touch with sb.
catch up with=keep on with sb.
第2个回答 2008-06-21
stay in touch with sb.==keep in touch
第3个回答 2008-06-21
get in touch
keep on with本回答被网友采纳
第4个回答 2008-06-21
keep on with
第5个回答 2008-06-21
stay in touch with sb.与某人保持联系