找出错误的一项并改正 1：I think my father will go to beijing by a train

找出错误的一项并改正 1：I think my father will go to beijing by a train.【A:think,B:go,C:by a ,D:train下面划横线】 2：How long is it from Tianjing to Shijiazhuang?【A:long B:it C:to同上】 3：Most student ride to school in our class.【A.student B.ride C.in】 4：Most of them go to work on feet.【A.of B.go C.feet】 5：They always get to home on time.【A.always B.to C.on】 ——要准确答案!