题目内容
1.The accident _____ when we _____ our school.( )| A. | was happened; returned to | B. | happened; returned back | ||
| C. | happened; returned to | D. | was happened; was returning to |
分析 当我们回到学校事故就发生了.
解答 答案:C.结合句意可知表达的是过去的事情,故用一般过去时,happen的过去式是happened,return的过去式returned,故答案是C.
点评 ①一般情况下,在动词原形后直接加ed.(所谓的一般情况,就是除了以下②、③、④三种情况)
如:wanted,played.
②以不发音的字母e结尾的动词,直接加d.
如:hoped,lived.
③重读闭音节单词需双写最后一个辅音字母,再加ed.
如:stopped,shipped.
④以辅音字母+y结尾的动词变y为i,再加ed.
如:studied,worried.
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