I. Choose the best answer

1. C. experienced

2. D. treasure

3. A. therefore

4. A. plumber

II. Choose the best answer to complete the sentences

1. D. because

2. C. not only

3. B. opened

4. C. haven't they

5. A. which

6. C. after

7. C. had

8. C. Please, do

III. Give the correct form or tense of the words in brackets

1. wouldn't tell

2. being

3. has already seen

4. was selected

IV. Fill in the blanks with the correct form of the words in capital letters

1. development

2. unpolluted

3. well

4. modernize

V. Fill in each number blank with one suitable word from the box

1. celebrate

2. usually

3. working

4. his