电子课本网 第52页

第52页

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       First, we should look for a zebra crossing before 
we cross the road. Then, we must look out for the 
cars on the road. When there is a green man, we can 
cross the road. We must look left and then look right 
and look left again when we cross the road. When 
there is a red man, we must stop and wait. We can 
also cross the road with other people.