2016年2月14日 · 1A) John has read the poem written in the 17th century. 1B) John is …
2014年1月13日 · Joined Nov 29, 2013 Member Type Native Language Chinese Home Country China Current Location China
2015年10月28日 · Hi there, Situation: Dan and jenny are married. They got married exactly …
2011年12月7日 · I had been studying all day when I suddenly realised I was supposed to …
2010年4月19日 · If you say "it has been used" then it has certainly been used in the past, …
更多内容请点击：Participle Clause (Being + verb +ed vs veb +ed)