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re. ________. A. I don’t have one B. Here you are C. I’m using it ( ) 4. Please wait ________ the green light. A. of B. for C. at ( ) 5. — What do you want to be in the future? — I want to be a ________. A. bus driver .taxi driver C. police officer ( ) 6. He usually goes to work ________ bike. A. on B. with C. by 四 、 情景交際。 ( ) 1. 當(dāng)你看到一個小孩爬窗臺時,你會說: A. Don’t run down the stairs. It’s dangerous.