【正文】
wim in the lake? No. Yes or No? Can we walk on the grass? No. Yes or No? Is there a toilet here? Yes. Yes or No? Can we smoke here? No. Yes or No? Can we drive fast here? No. Summary The meaning of some signs: Homework To find more signs in our lives, and try to know its meaning. The End 。s a sign. New words red It39。s a sign of underground station. New words sign