Don't feed the birds.换种说法,意思不变
Don't pick the flowers in the park.换种说法意思不变 ------ -------th
Don't smoke here..(换种说法,意思不变)
Don't leave rubbish 换一种说法,意思不变
让Don‘t smoke in the classroom.换个说法,意思不变
Don,t walk on the grass 换一种说法意思不变
don’t eat too many sweets 换种说法,意思不变
Don't feed the animals什么意思
You can't cross the street.(换种说法,意思不变)
You mustn't eat in the classroom.换种说法,意思不变
Cross the road.换种说法,意思不变
Don pick the flower,Kitty.换种表达,意思不变.
Don't litter.(环中说法,意思不变)