In the time of Corona virus, students cannot go to _____ school, and they learn online on _____ Internet

Untreated (adj)

Choose the best answer (A, B, C or D).

    ………….. loss can be caused by noise pollution.

Households pollute water sources by ………….. waste into ponds, lakes, and rivers.

A lot of fish has died recently because of the ………….. water in this lake.

The Maori in New Zealand greet each other by _________their noses.

There is a red maple leaf on the _______ of Canada.

English are spoken by all most countries around the world. It's becoming a/an ___________________ language

Both Australia and New Zealand ______________ by the sea

Lotus is national flower of Viet Nam. It's a/an __________ of my country

________ often happen in rainy season especially in the center of Vietnam.

Rescue workers have freed those who were ________ in flooded homes.

There was a typhoon in Nam Dinh Province last night, causing a lot of damage.

________ is the most common natural disaster in your country? - Snowstorms.

What type of natural disaster is this?

"Hot lava, ash and gases come up suddenly from below the earth’s surface through an opening of a mountain"

Which is rung, lắc, làm rung?