题目内容：

介词on,by ,in,with的用法区别

优质解答

byprep.1. 被,由The homework was assigned by the teacher.这些家庭作业是老师布置的.2. 靠,用,通过They crossed the river by ferry.他们乘渡船过了河.3. 经由;沿Ellen flew to Chicago by way of Minneapolis.艾...