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strange simple interesting dull
strange special quiet dull
gave，advices gave，advice gives，advices gives，advice
so good an advice a good advice some good advices a piece of good advice
which I think is which I think it is I think which is I think it is
gave is giving was given was giving
an; remember a piece of; remember an; should remember a piece of; must remember
to write on to be written on to write in to be written
which, which which, that as, that as, which
some useful advice some pieces of useful advices a useful advice some piece of useful advice
not will not may not don’t
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