按顺序默写出五个元音字母的大小写形式。
Do you go to work bus ? A. onB. by C.at
How do you _________? I often go to school on foot. A.go school B.go to school C. go to home
We must the traffic rules. A. remember B. watch C. find
There are always traffic lights in every country. A. three B.four C.five
Stop at the ______. A. yellow light B. green light C. red light
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