Do they happy today?Yes ,they are.改错

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Dotheyhappytoday?Yes,theyare.改错Dotheyhappytoday?Yes,theyare.改错Dotheyhappytoday?Yes,theyare.改错把do改成ar

Do they happy today?Yes ,they are.改错
Do they happy today?Yes ,they are.
改错

Do they happy today?Yes ,they are.改错
把do改成are,因为happy是形容词,需要用系动词are

Are they happy today?
yes,they are