More than 3000 trees ___ in this area by the end of last year.
A: have been planted
B: had planted
C: were planted
D: had been planted
A: have been planted
B: had planted
C: were planted
D: had been planted
举一反三
- —Your school looks beautiful! —Yes. Many trees and flowers ______ last year. A: were planted B: planted C: C. have been planted
- How many trees ____ this year? A: are planted B: will plant C: have been planted D: planted
- ---your city looks beautiful.___ yes, lots of trees and grass____ last year. A: are planted B: have planted C: were planting D: were planted
- A huge number of trees __________ in this area. A: has been planted B: have been planted
- With lots of trees and flowers （）here and there, the city looks very beautiful. A: having planted B: planted C: have been planted D: to be planted