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来自韩客松的问题

　　ifyoudon'tbecareful,youwillfailintheexam.和ifyouaren'tcareful.哪个对?ifyoudon'tbecareful,youwillfailintheexam.和ifyouaren'tcareful,youwillfailintheexam.

　　ifyoudon'tbecareful,youwillfailintheexam.和ifyouaren'tcareful.哪个对?

　　ifyoudon'tbecareful,youwillfailintheexam.和ifyouaren'tcareful,youwillfailintheexam.

3回答

2020-08-0602:56

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曹卫

　　正确的是：ifyouaren'tcareful,youwillfailintheexam.

2020-08-06 02:59:45

韩客松

　　为什么？

2020-08-06 03:01:40

曹卫

　　除祈使句外，be动词的否定并不是在前面加don't

2020-08-06 03:05:52

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