More and more trees should ______ on the mountains.
A: be planting
B: being planted
C: plant
D: be planted
A: be planting
B: being planted
C: plant
D: be planted
举一反三
- In the past few years, we have had thousands of trees ___________ around our school. A: plant B: planting C: planted D: being planted
- With flowers and trees () everywhere the city took on a new look. A: to be planted B: planting C: being planted D: planted
- With trees, flowers and grass _________ everywhere, my native town had taken on a new look. A: planting B: to plant C: planted D: to be planted
- Do you often plant trees in spring?--Yes, many trees ___ in our school every year. A: plant B: are planting C: are planted D: will plant
- How many trees ____ this year? A: are planted B: will plant C: have been planted D: planted