1,   n+2-6+7=n-7

n+3=n-7

n-n=-7-3

0n=-10(vo li vi 0n=0)

vay ko co gia tri nao cua n thoa man yeu cau de bai

Give the correct form of the words in brackets:

1. In addition to that, my bike tiries was flat. (Add)

2. Catching the common cold is unpleasant for everybody. (please)

3. Don't worry! Your cold will last for a few days and then disappear (appcar)

4. Many young people are doing community service (common)

Complete the text with given words:

wound, ambulance, accident, bleeding, emergency, conscious

Tim was riding a motorbike when he had an (1) ambulance . He fell off his motorbike and hit his head on the road. His head was hurt and it was badly bleeding. However, he was still (2) conscious Is was an (3) accident so Mary called an (4) emergency in order to take him to Danang Hospital. While waiting for the ambulance, Mary tried to stop (5) bleeding by using a handkerchief to cover the (6) wound.