问题标题：
【1.BeforeMarycamehere,she_____(study)inAustralia.2.Asnothingcould_______(do)atthatmoment.3.Itwasthethirldtimethatthegirl_______(invent)himtoherparty.】
问题描述：
1.BeforeMarycamehere,she_____(study)inAustralia.2.Asnothingcould_______(do)atthatmoment.
3.Itwasthethirldtimethatthegirl_______(invent)himtoherparty.
万钧回答：
1.BeforeMarycamehere,she_had_studied___(study)inAustralia.
2.Asnothingcould__bedone_____(do)atthatmoment.
3.Itwasthethirldtimethatthegirl__hadinvented_____(invent)himtoherparty.
柳青回答：
请解释一下第2、3题
万钧回答：
第二题是被动语态，事情被做第三题itwastimethatsb.haddone句型
查看更多
