I/ Fill in the blanks with proper prepositions: in, on, at, up, down, to, after, for, off, from ... 1. She stays at home because she has to look ............................. her baby. 2. I lose my pen. I have looked ......................... it for all morning. 3. If you want to know the meaning of this word, you can look this word ................. in the dictionary. 4. Remember to turn ................... the light before going to bed. 5. I want to turn .......................... the radio to hear the news. 6. You should take ........................ your shoes when you go into the temple. 7. My parents saw me ...................... at the railway station. 8. Pay the bill within 2 weeks or the electricity will be cut ....................... 9. I prefer swimming ..................... playing football. 10. You should prevent them ....................... driving carelessly. II/ Combine each pair of sentences into one, using "and, but, so, because, or": 1. Tom is sick. He must go to school today. -> ........................................................................................................................................... 2. It rained heavily. I didn't want to go out. -> ........................................................................................................................................... 3. He is very tall. I am very tall. -> ........................................................................................................................................... 4. You should study harder. You will go into another class. -> ........................................................................................................................................... 5. The air in the countryside is very fresh. People like to live there. -> ........................................................................................................................................... 6. I'm very tired. I stayed up late watching TV. -> ........................................................................................................................................... 7. Internet has increasingly developed. It has become part of our everyday life. -> ........................................................................................................................................... 8> The air in the city is very polluted. People want to go to the countryside at weekends. -> ........................................................................................................................................... 9. Would you like to eat? Would you like to drink? -> ........................................................................................................................................... 10. They want to use solar energy. They don't have enough money to buy necessary equipment. -> .....................................................................