We recycle paper and plastic every Friday.

We are actively promoting recycling.

Chemical recycling is making a significant contribution to environmental protection.

Let's recycle the empty cans.

It's unnecessary to ask whether he passed the exam or not.

Plants of the Asteraceae family are widely distributed around the world.

Sakiko is my best friend.

She is growing chrysanthemums in the garden.

I'm looking forward to hearing your opinion.

A long period of time is needed to complete this project.