Two ______ trees have been planted along the lake since 1998.
---The Olympic Games of 2016 will_____ in Brazil.---I hope our country can do better than in London.
It’s generous_____them to give food and clothes to homeless people. They think it important _____ them to provide places for homeless people to stay.
--- How about going to Qin Lake Wetland Park together?---_____.
---Look, what have you done?---Sorry. I think if I _____another chance, I’ll do it better.
Come closer. If you look_____, you’ll find there is something wrong with the machine.