1. Lan studies better than Minh.

2. Her brother speaks English more fluently than her.

3. I work less quickly than Hoang.

4. This computer works more reliably than that computer.

5. Nam can cycle more skillfully than me.

6. John works more carefully than his colleagues.

7. She has prepared for the test more carefully than her classmates.

8. He used to speak English more fluently than me.

9. She can teach English better than her colleagues.

10. She can dance more gracefully than all of us.

1. This gym is not as convenient as the one near my house.

2. Mount Everest is the highest mountain in the world.

3. Modern Christian theology has been influenced by his writings.

4. The group plans to set up an important business.

1. I don’t know where to visit this summer vacation.

2. Could you tell me who to ask for advice?

3. She wondered what to write in the final essay.

4. I have no idea who to contact in case of emergency.

5. They can’t decide when to leave for America.

6. I’m not sure what to cook for my son’s birthday party.

7. Could you tell me where to put my umbrella?

8. He asked himself what to send her as a present.

9. I have no idea when to leave for Japan.

10. She wondered how to resolve the conflict.

1. A

2. C

3. A

4. C

5. D