I. Answer the questions using Present Perfect: Model: Are the students writing a dictation? – No, they have already written it.
1. Is your friend helping you to solve a difficult problem?
2. Is she learning a poem by heart?
3. Is Kate sweeping the floor?
4. Is the waiter putting a bottle of lemonade in front of him?
5. Is he bringing them some meat and vegetables?
6. Are they having tea?
7. Is she taking the dirty plates from the table?
8. Are you putting the dishes on the table?
9. Are you looking for more CDs with good music?
10. Are you recording your favourite film on his video recorder?

2. (n.) [U] - a process of making water, air, soil, etc. dirty. - POLLUTION

3. (n.) [U; C] - when sb or sth becomes impossible to see or find.-DISAPPEARANCE

4. (n) [C] - a person who carefully studies the topic to find new facts or information. - RESEARCHER

5. (n.) [U] - the process of something being made worse. - DEGRADATION

6. (n.) [U] - the state of being safe and protected from danger. - SAFETY

7. (n.) [C; U] - a rise in the number.-INCREASE

8. (n.) [U] - physical harm to something that makes it less attractive or useful. - DAMAGE

1. You want to visit your friend but you've got too much work to do.

I wish I didn't have so much work, to do. If I didn't have so much work to do, I could visit my friend.

2. You went to bed late and didn't wake up in time for work.

3. You want to go to the safari park with Michael, but you're afraid of lions.

You would like to write a letter to Fred but you don't have his address.

You went skiing and broke your leg.

You didn't go to the concert because you didn't know about it.

You have to stay in bed because you've got the flu.

You are lost in London because you don't have a map.

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