Tom's parents saw the accideThe flowers have been watered,i

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Tom's parents saw the accideThe flowers have been watered,i forgot______(do) it
Tom's parents saw the accident ______(happen))yesterday afternoon
请说明原因!

1.happen 强调他们现场目睹.
2.having done 因为已经浇过水了,用动名词完成式做 forgot 的宾语.
再问：答案doing
再答：嗯 doing 是比较好。如果前后句出现 already 的字样，那就 having done 更合适了。或许还没教到完成进行时那单元。

Tom's parents saw the accideThe flowers have been watered,i Have you watered the flowers?But The flower has been watered 和 I have flower watered 分别怎么翻译? The flowers can't have been watered often enough,___they are 1.The flowers can't have been watered often enough,___they a 例: I saw Tom and his parents have a good time in the zoo.问题补 Have you watered the flowers!的否定回答 The boy watered the flowers I saw Tom yesterday.He ( )from England already.A.have been c Have they watered the flowers ____?Yes,they have done it___ I saw she was watering the flowers I have been like flowers wither has.