We should take those r bags for shopping to protect our environment.

Being tall gives him an a over other players.

I like those w chairs, but they are more expensive than those plastic ones.

Those f by the river are my father and uncles. They really like fishing.

Please pick up the rubbish and put it into the dust b .

No s studies show that the shark fins are good for people's health.

When i is well developed in one country, the people there will be rich and live a better life.

Cutting off shark fins is so c . We shouldn't do that to those animals.

I can't a the house because it's 40 thousand per square meter.

Smoking is h to our lungs. We should stop smoking.

The students from a green school are helping collect waste paper and bottles for r .

It is a very clean city. You will hardly find I when you walk along the street.

C can be used to produce electricity.

Many countries made l to stop smoking in public places.

-- Do you know the a of this type of bicycle?

-- It's very light.

If business success is what you want, so you need to take a now.

Which t can I take to go there within a day?

The p of the club made a speech about the plan for its future development.

Many poets and artists have drawn their i from nature.

As a student, I want to use my c to explore possible solutions to problems I meet.