Unit 7: Lesson 1_Getting started_Task 3

1. Last Sunday afternoon, Lan ______ round the lake near her home.

2. Mark says to Lan: “You ______ be careful, especially when you cross the road.

3. Traffic ______ are a problem in big cities.

4. – ______ does your mum go shopping?    

    – She often walks.

5. This road is very __________ during the rush hours.