1. It's raining for two days.
2.John is sleeping for two hours now!
3.How long are you studying the environment problems?
4.She is trying to raise money for the zoo for months.
5.He isn't working hard to build a nesting box, that's why it has already broken.
1. It's raining for two days.
2.John is sleeping for two hours now!
3.How long are you studying the environment problems?
4.She is trying to raise money for the zoo for months.
5.He isn't working hard to build a nesting box, that's why it has already broken.