II. Supply the corect tense or form of the verb in parentheses. 1. This time tomorrow I (chat) _______________with my cousin in Sydney on Skype. 2. After the floodwaters (go) ______________down, people cleaned their house. 3. The teacher told his students (stop) ______________ making noise. 4.If people really cared about the environment, they (not/ dump) _______ waste into the lake. 5. They didn’t mind (work)______________ late to complete the task. PART C. READING I. Read the following passage and put a word in the box in each of the numbered blanks. busy – exhausts – proved– quickly – In Air pollution is caused of ill health in human beings. (1) __________a lot of countries, there are laws limiting the amount of smoke which factories can produce. Doctors have (2) __________ that air pollution causes lung diseases. The gases from the (3) __________ of cars have also increased air pollution in most cities. The lead in petrol produces a poisonous gas, which is often collected in (4) __________ streets circled by high buildings. Children who live in areas where there is a lot of lead in the atmosphere can not think as (5) __________ as other children, and are clumsy when they use their hands. 1.______________ 2. ______________ 3 .______________ 4.______________ 5.______________ II. Choose the correct word A, B, C or D for each gap to complete the following passage. Computers are helpful (1) _________ many ways. First, they are fast. They can work with information even (2) _________ quickly than a person. Second, computers can work with a lot of information at the same time. Third, they can keep information for a long time. They (3) __________ forget things that the common people do. (4) __________, computers are almost always correct. They are not perfect, but they usually do not (5) _________ mistakes. 1. A. in B. on C. at D. over 2. A. much B. rather C. more D. less 3. A. might not B. must not C. should not D. do not 4. A. However B. Moreover C. Otherwise D. Nevertheless 5. A. do B. make C. have D. take