1. You won"t pass the exam if you __________ (not be) careful. 2. The children are all looking forward to ___________ (begin) the party at once. 3. Is it important for us ___________ (not take) the goldfish out of the water? 4. The boy just __________ (weigh) about 2000 grams when he was born. 5. Could you tell me who ___________ (speak) at tomorrow"s meeting? 6. The twin with her friends __________ (prepare) for the trip to Yunnan at present. 7. The policeman __________ (catch) the thief and sent him to the police station. 8. Many shops in Australia __________ (not open) on Sundays. 9. Don"t hurry up. His best friend often makes him __________ (wait) for a long time.