1. I have never used a better computer than this.
2. It's ages since he last chatted with his classmates through the Internet
3. Trung was given a microcomputer by his parents on his birthday
4. This is the first time he has played a computer game
5. The last time we saw her was lefting university
1. It is the most interesing computer game I have ever play
2. Mr.Thanh went out to buy some paper a few minutes ago
3. All the information of out school is now stored in the computer.