摘要： You must be when you the street. A. careful; go across B. carefully; cross C. careful; across D. carefully; across
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| When you are in England, you must be very careful in the street because the traffic drives 1 . 2 you cross the street, you must look to the right first and then the left. If the traffic lights (交通灯) 3 the traffic must stop. Then the people 4 can cross the road carefully. If the traffic lights are green, the traffic can 5 . People on foot mustn't cross. In the morning and in the evening, when people go to or come from work, the streets are very 6 . The traffic is the most dangerous then. When you go by bus in England, you have to be careful, too. Always 7 the traffic moves on the left. So you must be careful. 8 first, or you will go the wrong way. In many English 9 , there are big buses with two floors. You can sit on the second floor. From there you can see the city very well. How 10 ! | ||||
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