=>
13/
1. well
2. carelessness
3. competition
4. pleased
5. cloudy
6. pollute
14/
1. returned
2. to go
3. never had
are they talking
1. She was able to do the difficult test even though nobody helped her.
2. His house which is not very far from her is big.
3. Mary used to play tennis when she was 3.
4. I wish I could come with you tomorrow.
5. Can I use this computer, can't I?
6. I can't look up this word in dictionary.
