VII. Use one or ones instead of the nouns in italics where possible:

1. These oranges are tired. Have you got fresher oranges? 2. These gloves are a bit tight. Can you show bigger gloves? 3. This shirt is too bright. I need a darker shirt. 4. I looked through the files and took the file which I hadn’t seen before. 5. I have had enough ice cream. Give me no more ice cream. 6. – Which case is Fred’s? – The case with a tag. 7. The difference between a good doctor and a bad doctor lies in his competence. 8. This advice is more useful than the advice you gave me last week. 9. The new manager is much more competent than the manager we had last year. 10. Today’s news is much more encouraging than the news we got yesterday. 11. I’ve lost my purse. I’m going to buy a new purse one of these days. 12. The weather this week is no better than the weather we had last week.

VIII. Translate the sentences, mind the verbs in the Continuous Tenses:

1. Ann is in the laboratory and she will be staying there for another hour. 2. The professor was asking many additional questions during the exam. 3. The number of new equipment in university laboratories is growing from year to year. 4. We were performing the experiment from early in the morning till 6 p.m. 5. They are discussing experimental data right now. 6. The students will be working in the laboratory at 3 p.m. tomorrow.7. I will be sleeping at 11 a.m. tomorrow. 8. The lab assistant was teaching students to use the new equipment for two hours.

Test your grammar:

1. Look here! I simply refuse to believe what you _____ me now.

a) tell

b) are telling

c) have told

d) has told

2. A strong wind _____ and I decided to put on a warm coat.

a) is blowing

b) has been blowing

c) was blowing

d) had been blowing

3. Her family _____ from town to town ever since she can remember.

a) moves

b) is moving

c) has moved

d) has been moving

4. Robert didn’t answer the phone when Mary called. He _____ a shower and didn’t hear the phone ring.

a) is taking

b) was taking

c) had been taking

d) have been taking

5. _____ British drive on the left-hand side in their country.

a) –

b) a

c) an

d) the

6. _____ Pacific Ocean is the largest ocean on _____ Earth.

a) – , the

b) a, an

c) the, –

d) the, the

7. Do you speak _____ foreign language?

a) any

b) some

c) anything

d) something

8. The museum is free. It doesn’t cost _____ to go in.

a) somewhere

b) nothing

c) anything

d) something

9. _____ can answer this question. It is very simple.

a) anyone

b) someone

c) no one

d) nowhere

10. David’s house is full of books. There are books _____.

a) somewhere

b) everywhere

c) nowhere

d) something

Unit 4. Chemicals of life

Wordbuilding: Suffixes -ly; -ment Grammar: I. Numerals II. Adverbs. Degrees of comparison III. The Perfect Tenses (Active Voice) Text A: Enzymes Text B: Vitamins and Minerals