Đáp án:

II - 1. How far is it from New York to Boston?

2. This picture is worth 100 US dollars.

3. Why don't we attend the Brighton Language Centre?

4. If you are careless, you will cut yourself.

5. It was such bad weather that we couldn’t go out.

III.

There are many tips for us to keep fit and stay healthy and here are some of them. First of all, be careful with what you eat and drink. We shouldn't eat lots of fast food or drink soft drinks because these food and drinks may cause obesity and make you sick. Besides, we should eat more vegetables and drink more water. They provide vitamins and fiber that help us prevent dieases and stay healthy. Secondly, exercise is very important to us. We should spend less time playing computer games or watching TV. These activities are not good for our health and eyes. In stead, we should take part in outdoor activities such as: swimming, cycling, running, etc. because thay help you relax, change your body and brain. If we follow this tips, we will be able to keep fit and stay healthy.