How to keep our city {#blank#}1{#/blank#}?

Problems（问题）

Suggestions（建议）

Smoke from cars {#blank#}2{#/blank#}the air messy and {#blank#}3{#/blank#}.

We can grow more  {#blank#}4{#/blank#}and plant

more trees.

We can make some  {#blank#}5{#/blank#}to remind

（提醒）everyone.

Too much rubbish on the  {#blank#}6{#/blank#}

is bad for our city.

We shouldn't  {#blank#}7{#/blank#}so much and we can walk to  {#blank#}8{#/blank#} {#blank#}9{#/blank#},

 {#blank#}10{#/blank#}and so on.

A. postwoman B. factory worker C. play sports D. cook food E. cool

F. read books G. dance H. businessman I. police officer J. maths