________ON BARREN SLOPES CAN HELP PREVENT EROSION.A. FOR TREES TO BE...
Câu 7: ________on barren slopes can help prevent erosion.
A. For trees to be planted
B. Planting trees
C. In order to plant trees
D. Trees are planted
Câu 7: ________on barren slopes can help prevent erosion.
A. For trees to be planted
B. Planting trees
C. In order to plant trees
D. Trees are planted