一般过去时 肯定句：I watered the plants yesterday. 一般疑问句：Did you water the plants yesterday? Yes, I did. No, I didn‟t 否定句：I didn‟t water the plants yesterday. 肯定句：He was a TV reporter last year. 一般疑问句：Was he a TV reporter last year? 否定句：He...

时间:2025-02-20 11:23栏目:行业资料