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called the police because he ______ ______ ______ (擔心 )Tim’s safety. 4. I read the whole page without ______anything ______ (理解 ). 5. The lamp doesn’t ______ ______(發(fā)出 )a lot of light, so the classroom is a little dark. 6. I must ______ ______ (仔細查看 )these bills and check them before I pay them. 答案: 1. had little effect on 2. if necessary 3. was concerned about 4. taking in 5. give out 6. look through Ⅲ . 用所給詞的適當形式填空 1. The police are anxious to hear any information ______ (concern)his whereabouts. 2. At present America is taking some m