we must look to the left and right before you cross the street

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• You must look c______ before you cross the road.
• Please r() to look left and right before you walk across the street.
• look at the___lines.You must cross the street here.
• We must look ______ left,then _____right before we cross the road.
• YOU must look left and right f_ .Then you can cross the road.
• 填空Be careful to look both ways before you cross the street.(改为同义句)
• Be careful to look both ways before you________(cross)the street.单词正确形式填空
• Before we cross the road,we must stop and look both ways.对划线部分提问Before we cross the road划线
• before we cross the road ,we must stop and look both ways .改为同义句怎么改?
• when you ____ _____ (穿过）the rpad ,you must look left and right.
• 某原电池总反应离子方程式为：2Fe（3＋）＋Fe＝＝3Fe（2＋）,不能实现该反映的原电池是（）a：正极为Cu,负极为Fe,电解质融液为FeCl3b：正极为C,负极为Fe,电解质融液为Fe（NO3）3c: 正极为Fe,负极为Zn,电解质融液为Fe2（SO4）3d：正极为Ag,负极为Fe,电解质融液为CuSO4详解.要写出每个选项的正极和负极的离子方程式和总方程式.顺便问下,这些离子方程式怎么写的?怎么从方程式就变成离子方程式了
• 请列举如糖高宗、盐王爷、苹什么、蒜你狠、豆你玩之类的词语.