Eating a balanced diet can really .

They are students.

We      the .

The river  be so clean.

There were no more forto  .

Many people think sharks can never be  because they are the in their   .

in this town should a     this river.

⑴垃圾n.

⑵残酷的adj.

⑶优点n.

⑷餐巾n.

⑸外卖食物n.

⑹交通运输n.

⑺木制的adj.

⑻工业adj.

Our canaand  a better life.