用括号中所给的动词适当形式填空
1,A:John,_____you_____(return)mypenyet?
B:Notyet.Don'tworry!I______(return)itsoon.
2,A:Jim,_____you____(write)alettertoyouraunt?
B:Yes,I____
A:When_____you_______(write)it?
B:I_____(write)itlastweek.
3,A:Hello,Mary._____you_____(be)totheaquariumbefore?
B:No,I_____.
谢谢了