选用方框内所给短语的正确形式填空
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【小题1】A new English teacher gave us the suggestion that I should ______________ every day.
【小题2】She wants to be a ______________ in her class，so she studies very hard.
【小题3】It is unkind to ______________ a person in trouble.
【小题4】—Thanks for your help.
—Don't ______________.
【小题5】I ______________ these new words again and again yesterday in order not to forget them.