1. The reason I didn't do well in my exams was that I just didn't have time to prepare. 
2. It is important that we get extra funding for the project. 
3. Ms. Robbins was caught delivering a copy of a confidential (机密的) to a newspaper reporter. 
4. The quick of the virus caused great damage to the network system across the country. 
5. Traffic noise, pollution, huge concrete buildings - how can people survive in a(n) area! 
6. The firm has identified 60 customers at home and abroad. 
7. I've had problems with this car ever since I bought it! 
8. A computer virus may hide in a computer's memory, calling up and each of the machine's data files in turn. 
9. He says he'll stop supplies getting in, but it's just an empty because there are many other accesses suppliers. 
10. A(n) version of the software will be available within six months.