Bài tập: Fill in each blank with a suitable PREPOSITION or PARTICLE. 1. I know ________ experience that I do my best work early in the morning. 2. I am astonished ________ the way my students can spend all night at the disco and still remember their prepositions next morning. 3. Is it possible to insure yourself ________ nuclear attack? 4. At school today, we had a long discussion _______ the best way to learn a foreign language. 5. "How can I discourage my boyfriend _______ trying to kiss me all the time?" "Eat plenty of garlic." 6. Raise the gun to your shoulder, aim _______ the target, and try not to kill anyone. 7. Small children should be watched ____________ carefully. 8. Would you give up your country cottage __________ a town flat? 9. He'll inherit the money when he comes ______________ age. 10. The performance on the first night came ______________ pretty. * Cứu iem với chuyên gia + học sinh giỏi anh ;-;