He can ________ ＄3,000 a year by writing stories and support a family of three people．
A.spareB.affordC.earnD.charge在线课程C
“他每年通过写小说，挣得3 000美元来养活三口之家。”
spare“抽得出(时间，精力，金钱)”；afford“负担(买)得起”；charge“收费；控诉”。