题目内容：

keep your mobile phone off in class的同义句（两种
don`t make the same mistake again

优质解答

Put away your mobile phone.
Put your mobile phone away.

Don`t repeat the same mistake
Don't keep on making the same mistake
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追问：

you-----keep your mobile phone off in class you----- -----keep your mobile phone off in class

追答：

should ought to

追问：

you---- ----make the same mistake again you----- ----- ----- make the same mistake again

追答：

must not are forbidden to