来自傅间莲的问题
()Theteacheroftengivesus______onhowtolearnEnglishwell.A.someadvicesB.somepiecesofadviceC.apieceadviceD.someadvice
()Theteacheroftengivesus______onhowtolearnEnglishwell.
A.someadvicesB.somepiecesofadvice
C.apieceadviceD.someadvice

