1. We have car serviced and seemed there is a problem in the engine.
2. Scientists try to work out a way to reduce the pollution in aircraft.
3. All of us know the way to the succeed is not easy.
4. Nick tells that he would go camping with classmate the next day.
5. Technology field the telecommunications developing significantly in recent years.
6. Call me when you finish and I will come over to pick you up.
7. When he comes there tommorrow, they have travelled Japan.
8. We all belive that he will recover from her illness soon.
9. My sister is going to visit China this time next month.
10. The match has already started by the time he got to the stadium.