1.Before Mary came here,she_____(study) inAustralia.2.As nothing could_______(do)at that moment.3.It was the thirld time that the girl_______(invent)himto her party.

问题描述:

1.Before Mary came here,she_____(study) inAustralia.2.As nothing could_______(do)at that moment.
3.It was the thirld time that the girl_______(invent)himto her party.