1. The boy asked me what time was it.
2. My friend isn't strong enough to lift the box.
3. It took the astronauts 2 hours to orbit the earth.
4. I think Paris is the most beautiful city in the world.
5. It is 30 years since he last been back to his home village.
6. Pupils must wear school uniforms at all the times.
7. I asked Mrs Chung if his little son was good at this subject.
8. She asked the children not to go near the water.
9. Because of his badly behavior, he was punished.
10. The fog make us couldn't drive.
11. If she continues smoking, she will die.
12. Although she was tired after work, she still prepared dinner for her family.