Over the rivers and mountains, been through____________people
举一反三
- The student_____described the beautiful mountains and rivers in his home town. The student_____described the beautiful mountains and rivers in his home town.
- Deserts and high mountains have always been a ________ to the movement of people from place to place.
- ( ) of the rivers here have been polluted. ( ) of the rivers here have been polluted.
- The student_____described the beautiful mountains and rivers in his home town.
- Deserts and high mountains have always been a ________ to the movement of people from place to place. A: barrier B: fence C: prevention D: jam