The key answer of exercise 3
The key to exercise solutions in chapter 2f - Writing for the textbook On Screen B1+/B2 - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
- Find the topic sentences in the main body paragraphs. Does each introduce a new topic? Do the rest of the sentences in each paragraph further explain the topic sentence?
- Replace the topic sentences with other appropriate one.
Answer
a)
- Para 2 → One effective solution is for people to leave their cars at home and use public transport instead.
- Para 3 → Another solution is to plant more trees in urban areas.
- Para 4 → Thirdly, it is important to save energy.
- Yes, each topic sentence introduces a new topic.
- Yes, the supporting sentences in each paragraph further explain the topic sentence.
b)
- Para 2 → One useful solution could be to encourage people to use public transport rather than their cars.
- Para 3 → A second effective solution would be to plant more trees in out towns and cities.
- Para 4 → Another way to solve the problem of air pollution would be to cut down on the amount of energy we waste.