Tính sạch sẽ

Tính An toàn

Tan ra

Dưới mặt đất

Sông

Đại dương

Nước muối

Trời mưa

Đám mây

Tuyết

Ít ,không nhiều

We need to use less _____ so that it doesn’t get into the ocean.

They used a bright ____ to make the curtains.

Tái sinh

Nước đá

This is a _____neighborhood where you can play outside.

I don’t throw away plastic forks. I prefer to wash them and_____ them.

I always bring _______ bags to the supermarket.

The bathroom has a ______, a sink and a bath.

Bring your umbrella because there will be _____ this afternoon.

Those trains go ______ to get into the city.

We don’t need to ______ the garden because of all the rain.

There’s_____ dirty water in this area than there was ten years ago.

Be careful! The _____ is very slippery.