一、写出下列动词的过去式1.amis _ 2.do _ 3.go _ 4.have _ 5.isnt _ 6. arent _ 7.spend_ 8.cook_9.read _ 10.clean _ 11.live _ 12.study_三、用括号内所给词的适当形式填空1. We _ (enjoy) ourselves at the party last night.2.Jack _ (study) for the English test last Sunday.3._ you _ (go) to the Great Wall last year?4. What day _ (be) it yesterday?5.The old man _(be)ill and went to see