填适当介词1、Mike is only 14 years old,but he has tralled from Nanjing to beijing _ his own many times.2、This new railway station will be _ service next year.

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/02 18:04:51

填适当介词
1、Mike is only 14 years old,but he has tralled from Nanjing to beijing _ his own many times.
2、This new railway station will be _ service next year.

1.on
2.in

by
on