Respostas
1. Ann has washed her hair.
2. Tom has lost weight.
3. Bill has broken his leg.
4. My sister has lost her pen.
5. Mary has gone to France.
6. Mr. Hill has been to Canada.
7. Mrs. Smith has bought a lot of package.
8. I have eaten too much.
9. Mrs. Jenkis has cleaned her house.
10. Tony has worked hard this year.
B. USE PRESENT PERFECT TENSE after BECAUSE:
1. He can´t walk very fast because he has hurt his legs.
2. I can´t get in because I have lost my key.
3. I know this story very well because I have seen the film.
4. I can´t post the letter because I have not put a stamp on it.
5. He can´t stand up because he has eaten too much.
6. They can´t go on holiday because they have not saved money.
7. I know him because I have met him before.
8. We don´t know how he is because we have not heard from him.
9. He won´t take a cigarette because he has given up smoking.
10. She can´t get in because he has locked the door.