A study commissioned by the Department of Agriculture showed that if calves exercise and associated with other calves, they will require less medication and gain weight quicker than do those raised in confinement.
A study commissioned by the Department of Agriculture showed that if calves exercise and associated with other calves, they will require less medication and gain weight quicker than do those raised in confinement. A. associated with other calves, they will require less medication and gain weight quicker than B. associated with other calves, they require less medication and gain weight quicker than C. associate with other calves, they required less medication and will gain weight quicker than do D. associate with other calves, they have required less medication and will gain weight more quickly than do E. associate with other calves, they require less medication and gain weight more quickly than
正确答案是最后一个 我的问题是: 为何不能用do ? for example, I eat apple faster than you 错误 因为有可能理解成I eat apple faster than I eat you 这两种情况不是相同的吗?