题目内容

用所给动词的适当形式填空,必要时可加助动词。

1.Light                       (invent)in America in the 19th century.

2.It is the first time I                        (chat)online.

3.While I                           (wait)for the bus,I met my aunt.

4.Do not forget                         (turn)off the light before you leave.

5.1 was sorry that I                         (hurt)her feeling.

1.invented  2.have chatted  3.was waiting  4.to turn  5.had hurt

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