III. Give the correct form of the verb in bracket. 1. Look! The singer (come) _______. She (have) _______ long black hair. 2. My mother (drive) _______ me to school everyday. 3. Children shouldn’t (buy) _______ firework at Tet. 4. Students must (go) _______ to school on time. 5. Where (be) _______ Son? He (read) _______ books in the library. He (go) _______ to the library twice a week. IV. Read the following passage and circle the best answer for each one: People need to breathe. If they don’t breathe, they (1)___________ die. But how clean is the air people breathe? If they breathe dirty air, they will have breathing problems and become (2)__________. Plants and animals need clean air too. A lot of the things in our lives create harmful gases and (3)___________ the air dirty, like cars, motorbikes and factories. Dirty air is called ‘ (4)___________ air’. Air pollution can also make our Earth warmer. The problem of air pollution started with the burning of coal in homes and factories. 1. A. will B. are C. must D. do 2. A. well B. better C. ill D. good 3. A. get B. make C. give D. have 4. A. pollute B. polluting C. pollutes D. polluted

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