1. Most students in Britain take the GCSE when:

• B. they are 16 years old

The text explicitly states that students take the GCSE at the age of 16.

2. What is the first thing you'll notice when you visit almost any school in Britain?

• D. the school uniform

The text mentions that the first thing you'll notice is the school uniform.

3. What do most teenagers in Britain prefer to wear?

• A. trendy labels

The text states that British teenagers prefer trendy labels and designer brands.

4. The word 'highlight' in paragraph 2 is closest in meaning to:

• C. emphasize

The context suggests that "highlight" means to emphasize or draw attention to differences between schools.

5. According to the passage, which of the following statements is NOT true?

• B. Most British teenagers spend 2-3 hours watching TV after school.