1. Dick went on working although he was too tired
2. They have named the film Cinderalla
3. If it Amy didn't use a computer, she couldn't complete her work quickly
4. In spite of not feeling well, she went to work
5. I wish I had a special present at Chrismas
6. My sister, who always does her homework before going to class is a hard student
8. This shirt, which is very expensive is a high quality product
9. I asked them if I was having a party the next day
10. We haven't been to London for 2 years
11. The last time they visited Phong Nha Cave was last summer
12. It's three months since the last time I met him
13. His age prevents him from doind anything
14. If he didn't work hard, he couldn't imporve his pronunciatipn quicly
15. Solar energy is impossibly stored in a cloudy day