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1. The broth for beef noodles ____by stewing cow bones in a large pot. A. made B. is made C. are made D. make 2. I think Joe is _____________of the two students. A. the quietest B. quieter C. the quieter D. quietest 3. Drinking and driving is one of the most common ______ of traffic accidents. A. reasons B. effects C. sources D. causes 4. It is not easy to learn Chinese at home. Do you think I should _____an evening course? A. take B. have C. make D. get