问题补充：
单选题WhenIarrivedinthiscountry,Ihadtostartlearningthelanguagefrom_____.A.scratchB.scrapC.snatchD.scrape
答案：
A解析start from scratch (=from the beginning, from nothing) 从头开始，白手起家；John brought the radio from scratch. (=John bought the parts and put them together himself.)
