5. What is happening in this picture? Why are these people wearing masks?
6. Listen to the radio program then answer the following questions : 1-What kinds of birds can catch bird flu? 2-Where did bird flu begin in 2003? 3-Can humans catch bird flu? 4-How can people protect themselves from bird flu?
8. You should not smoke . It’s bad for your health. You should eat a lot of fruit and vegetables. You should do exercises . You should not drink a lot of tea and coffee. To protect yourself from diseases , You should eat a lot of fruit and vegetables.
9. You must not speak on the mobile while driving. We must not park our cars here. We must stop when the light is red.
10. Complete the following sentences using: should shouldn’t must mustn’t - - - 1-You………………….wash your hands before meals 2-People…………………..smoke in hospitals . 3-You…………………..read this story. It is very interesting. 4-I………………….eat this food. It’s gone bad. 5-You look tired. You…………………..go to bed. 6-Students………………….follow the school rules. 7-You ……………………….eat too many sweets. should must not should must not should must should not