Deserts and high mountains have always been a ________ to the movement of people from place to place.
举一反三
- 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
- 18. 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
- Deserts and high mountains have always been a ___to the movement of people from place to place.<br/>____ A: barrier B: fence C: prevention D: jam
- Deserts and high mountains have always been a ______ to the movement of people from place to place. A: A) barrier B: B) fence C: C) prevention D: D) jam
- Because of this _________, water is always moving from place to place on Earth.