Unit 4,Road safety,Introduce,T: Hello, boys and girls! S: Hello, Miss Tang. T: Nice to see you. S: Nice to see you, too,Words,wait wet,作为动词，意为：等候, 等待 固定词组：wait for意为“等待，等候某人” eg：He is waiting for his daughter in the music room. 小练习：汉译英：等我_ 拓展：wait and see为固定词组，意为“走着瞧”。 eg：lets wait and see. 让我们走着瞧,wait for me,Words,walk w:k,作动词，意为走。同义词组为：go on foot Lets walk to school.= Lets go to school on foot. 让我们步行去学校。 小练习：汉译英：步行去超市 _ 拓展：（1）walk up to sb.意为“朝某人走过去”。 eg：The park keeper w
