Time Zones 4 Unit 5 - Reading

What is the title of the reading?

• Cave of Secrets

• Famous Caves

• Hang Son Doong

• How Caves Are Formed?

What is the reading about?

• the formation of a cave

• the discovery of a cave

• the exploration of a cave

Who discovered the cave?

• British cavers

• Ho Khanh

What famous caves do you know?

How was the cave formed?

• It was created when rock under the mountain was eroded by river water.

• It was eaten away by water.

• It was worn down by wind.

• It was broken apart by ice.

IDIOM: To "cave in" means to ______ something.

• reluctantly agree to

• be angry about

• find out about

The cave wasn't known until recently because the entrance was ______.

• blocked by a wall

• hidden

• deep underground

Clouds are formed in the cave due to its _______.

• depth

• location

• size

Why does the explorer say, "Watch out for dinosaurs"?

• Dinosaurs used to live in the cave.

• The caves feel like a different world.

• The explorers were looking for dinosaur bones.

Open your book and look at line 34. To "see light at the end of the tunnel" means to _________ something.

• imagine

• understand

• be close to completing