题目内容：
40. You are ________ to 30 miles an hour in built-up areas.A. restricted B. balanced C. cancelled D. challenged
参考答案：
选择题：40.You are ________ to 30 miles an hour in built-u
- 题目分类：大学英语第二册复习题
- 题目类型：选择题
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A. restricted B. balanced C. cancelled D. challenged