1:Don't forget to turn to me if you have any trouble.
______
A:I don'tB:Iwon'tC:Ican'tD:Ihaven't
2:Copy the expression ____, please,without any changes.
A:as it isB:such as it isC:whatit isD:so it is
3:Making a request instead of giving commands____more acceptable when we express the same____
A:are,means B:is ,means C;is ,meaning D:are,meanings
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