Washingthefooddownwithwaterasasubstitute______chewingisnotagoodhabit.
A.of
B.for
C.to
D.from
正确答案:B[解析]吃东西时,不咀嚼而用水冲下食物不是好习惯。useAasasubstituteforB:用A做B的代用品替代。

Washingthefooddownwithwaterasasubstitute______chewingisnotagoodhabit.
A.of
B.for
C.to
D.from
正确答案:B