问题补充:
单选题I’mputtingonweight.Thedoctorhaswarnedmeto_________sugar.A.keep upB.keep backC.keep offD.keep away
答案:
C解析keep off有“不接近、避免”等意思,在此题中是“不(吃、喝)”之意,又如:keep off cigarettes /drink /fatty food不抽烟/不喝洒/不吃油腻食物。keep up“不低落、维持”;keep back“阻止、不将某物给某人、隐瞒”;keep away“不靠近”。