过去完成时专项练习题及答案 E.g. By the end of the match，they had kicked two goals. We had already had lunch before we arrived there. 其结构是” had+过去分词” . 它的否定句是在had 后边加 not ，变一般疑问句是把had 提前。 E.g. I had reached the station bef...

时间:2025-01-08 04:20栏目:行业资料