—— What are they doing over there?——They ___trees on the hill.
A: plants
B: plant
C: will plant
D: are planting
A: plants
B: plant
C: will plant
D: are planting
举一反三
- ______ is fun and a great way ______ greenhouse gases. A: Plant trees, reduce B: Planting trees, to reduce C: To plant trees, reduce D: Planting trees, to reducing
- 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
- They________(plant) trees on the hill. Do you see
- More and more trees should ______ on the mountains. A: be planting B: being planted C: plant D: be 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