把下列句子改写成过去式.
1、shebuysanewcareveryyear.she_____anewcarlastyear.
2、sheairstheroomeveryday.she____itthismorning.
3、heoftenloseshispen.he_____hispenthismoening.
4、shealwayslistenstothenews.she_____tothenewsyesterday.
5、sheemptiesthisbasketeveryday.she____ityesterday.