Complete the passages with the worlds from the box.

Son Doong cave is world's (1)                        cave,located in Quang Binh province,Vietnam.It was (2)                   by a local man named Ho Khanh in 1991 and was recently discovered in 2009 by British cavers,led by Howard Limbert.The name''Son Doong''cave (3)                 ''mountain river cave''.The cave was created 2-5 million years ago by river water eroding away the (4)                      underneath the mountain.

At about 9 kilometers in length,200 meters in (5)                     and 150 meters in height,Son Doong Cave is(6)                          larger than Deer Cave in Malaysia and has replaced Deer Cave to take pole position(7)                        the world's largest cave.

Ex 1: Choose the correct answers:

                         Son Doong – The World’s Largest Cave

     Located in the heart of Phong Nha – Ke Bang National Park in Vietnam’s Quang Binh province, Son Doong (Mountain River Cave) is one of the most captivating (1)………….. that can be experienced in Southeast Asia.

     At about 9 kilometres in length, 200 metres in width and 150 metres in height, it is the largest cave in the world with the capability of fitting the entire city streets and skyscrapers. It is also home to a beautiful river, (2)………….. jungles and cave ecosystems. One of the most amazing features of this giant (3)………….. is rare cave pearls that have been shaped by water drops for centuries and some of them are as big as baseballs.

     A trek through the cave to (4)………….. the spectacular and unique limestone formations and explore lush jungles is a must for those who love untouched natural beauty. Besides, taking a boat ride or going swimming in the clear water of the river running through the cave is a fantastic (5)………….. . Don’t miss out on a visit to Son Doong Cave. Its (6)………….. natural beauty will make your adventurous trip unforgettable.

1. A. region B. destinations C. attraction

2. A. clear B. simple C. pristine

3. A. cavern B. lake C. waterfall

4. A. admire B. admiring C. admired

5. A. experienced B. experience C. experiencing

6. A. boring B. astounding C. popular

Read the passage, and choose the correct answer A, B, C or D for each question.

Son Doong Cave

Located in the limestone mountains of Phong Nha - Ke Bang National Park. Son Doong Cave was first found in 1991 by Ho Khanh, a local man. In 2009, the cave was explored and published by a group of scientists from British Cave Research Association.

Son Doong Cave was formed from 2 to 5 million years ago, when the river flowed through the limestone mountain area and was buried. The water eroded limestone and created an underground tunnel. In soft limestone areas, the collapse of tunnel ceiling formed large holes which became giant domes afterward. The cave is about 200m high, 200m wide and at least 8 5km long. Especially, Son Doong consists of two entrances, which is unique among explored caves in Phong Nha - Ke Bang National Park. Exploring the cave, visitors were surprised with spectacular scenery of numerous stalactites of which some giant stalagmites are more than 70 metres high. Deep inside the cave exists a grandiose tropical jungle called “Garden of Eden" by the explorers. The jungle is home to a diversifiedsystem of fauna and flora. Besides, the cave possesses a 2.5-kilometre underground river. Not far from the “Garden of Eden” lies an enormous “pearl collection” consisting of tens of thousands of small stone pieces in dry ponds, contributing to magnificent beauty of the cave.

The reason why Son Doong Cave was formed is that ………..

A. an underground tunnel was buried in the area

B. the limestone areas were soft

C.it only happened from 2 to 5 million years ago

D. the river was buried in the limestone mountains

Read the passage, and choose the correct answer A, B, C or D for each question.

Son Doong Cave

Located in the limestone mountains of Phong Nha - Ke Bang National Park. Son Doong Cave was first found in 1991 by Ho Khanh, a local man. In 2009, the cave was explored and published by a group of scientists from British Cave Research Association.

Son Doong Cave was formed from 2 to 5 million years ago, when the river flowed through the limestone mountain area and was buried. The water eroded limestone and created an underground tunnel. In soft limestone areas, the collapse of tunnel ceiling formed large holes which became giant domes afterward. The cave is about 200m high, 200m wide and at least 8 5km long. Especially, Son Doong consists of two entrances, which is unique among explored caves in Phong Nha - Ke Bang National Park. Exploring the cave, visitors were surprised with spectacular scenery of numerous stalactites of which some giant stalagmites are more than 70 metres high. Deep inside the cave exists a grandiose tropical jungle called “Garden of Eden" by the explorers. The jungle is home to a diversifiedsystem of fauna and flora. Besides, the cave possesses a 2.5-kilometre underground river. Not far from the “Garden of Eden” lies an enormous “pearl collection” consisting of tens of thousands of small stone pieces in dry ponds, contributing to magnificent beauty of the cave.

The reason why Son Doong Cave was formed is that ………..

A. an underground tunnel was buried in the area

B. the limestone areas were soft

C.it only happened from 2 to 5 million years ago

D. the river was buried in the limestone mountains

Read the passage, and choose the correct answer A, B, C or D for each question.

Son Doong Cave

Located in the limestone mountains of Phong Nha - Ke Bang National Park. Son Doong Cave was first found in 1991 by Ho Khanh, a local man. In 2009, the cave was explored and published by a group of scientists from British Cave Research Association.

Son Doong Cave was formed from 2 to 5 million years ago, when the river flowed through the limestone mountain area and was buried. The water eroded limestone and created an underground tunnel. In soft limestone areas, the collapse of tunnel ceiling formed large holes which became giant domes afterward. The cave is about 200m high, 200m wide and at least 8 5km long. Especially, Son Doong consists of two entrances, which is unique among explored caves in Phong Nha - Ke Bang National Park. Exploring the cave, visitors were surprised with spectacular scenery of numerous stalactites of which some giant stalagmites are more than 70 metres high. Deep inside the cave exists a grandiose tropical jungle called “Garden of Eden" by the explorers. The jungle is home to a diversifiedsystem of fauna and flora. Besides, the cave possesses a 2.5-kilometre underground river. Not far from the “Garden of Eden” lies an enormous “pearl collection” consisting of tens of thousands of small stone pieces in dry ponds, contributing to magnificent beauty of the cave.

The thing that makes it different from other caves in Phong Nha – Ke Bang National Park is ……….

A. stalactites and stalagmites

B. the two entrances into the cave

C. its discovery by a local man

D. large holes in the ceiling

Read the passage, and choose the correct answer A, B, C or D for each question.

Son Doong Cave

Located in the limestone mountains of Phong Nha - Ke Bang National Park. Son Doong Cave was first found in 1991 by Ho Khanh, a local man. In 2009, the cave was explored and published by a group of scientists from British Cave Research Association.

Son Doong Cave was formed from 2 to 5 million years ago, when the river flowed through the limestone mountain area and was buried. The water eroded limestone and created an underground tunnel. In soft limestone areas, the collapse of tunnel ceiling formed large holes which became giant domes afterward. The cave is about 200m high, 200m wide and at least 8 5km long. Especially, Son Doong consists of two entrances, which is unique among explored caves in Phong Nha - Ke Bang National Park. Exploring the cave, visitors were surprised with spectacular scenery of numerous stalactites of which some giant stalagmites are more than 70 metres high. Deep inside the cave exists a grandiose tropical jungle called “Garden of Eden" by the explorers. The jungle is home to a diversifiedsystem of fauna and flora. Besides, the cave possesses a 2.5-kilometre underground river. Not far from the “Garden of Eden” lies an enormous “pearl collection” consisting of tens of thousands of small stone pieces in dry ponds, contributing to magnificent beauty of the cave.

We can infer from the passage that …………..

A. tunnels and giant domes were formed at the same time

B. “pearl collection” contains a lot of precious stones

C. we can live the cave with the air and water

D. “Garden of Eden” is in the underground river

Read the passage, and choose the correct answer A, B, C or D for each question.

Son Doong Cave

Located in the limestone mountains of Phong Nha - Ke Bang National Park. Son Doong Cave was first found in 1991 by Ho Khanh, a local man. In 2009, the cave was explored and published by a group of scientists from British Cave Research Association.

Son Doong Cave was formed from 2 to 5 million years ago, when the river flowed through the limestone mountain area and was buried. The water eroded limestone and created an underground tunnel. In soft limestone areas, the collapse of tunnel ceiling formed large holes which became giant domes afterward. The cave is about 200m high, 200m wide and at least 8 5km long. Especially, Son Doong consists of two entrances, which is unique among explored caves in Phong Nha - Ke Bang National Park. Exploring the cave, visitors were surprised with spectacular scenery of numerous stalactites of which some giant stalagmites are more than 70 metres high. Deep inside the cave exists a grandiose tropical jungle called “Garden of Eden" by the explorers. The jungle is home to a diversifiedsystem of fauna and flora. Besides, the cave possesses a 2.5-kilometre underground river. Not far from the “Garden of Eden” lies an enormous “pearl collection” consisting of tens of thousands of small stone pieces in dry ponds, contributing to magnificent beauty of the cave.

The most important feature of “Garden of Eden” is ………

A.the biodiversity

B. giant stalagmites

C. the biggest length

D. the river below

Read the passage, and choose the correct answer A, B, C or D for each question.

Son Doong Cave

Located in the limestone mountains of Phong Nha - Ke Bang National Park. Son Doong Cave was first found in 1991 by Ho Khanh, a local man. In 2009, the cave was explored and published by a group of scientists from British Cave Research Association.

Son Doong Cave was formed from 2 to 5 million years ago, when the river flowed through the limestone mountain area and was buried. The water eroded limestone and created an underground tunnel. In soft limestone areas, the collapse of tunnel ceiling formed large holes which became giant domes afterward. The cave is about 200m high, 200m wide and at least 8 5km long. Especially, Son Doong consists of two entrances, which is unique among explored caves in Phong Nha - Ke Bang National Park. Exploring the cave, visitors were surprised with spectacular scenery of numerous stalactites of which some giant stalagmites are more than 70 metres high. Deep inside the cave exists a grandiose tropical jungle called “Garden of Eden" by the explorers. The jungle is home to a diversifiedsystem of fauna and flora. Besides, the cave possesses a 2.5-kilometre underground river. Not far from the “Garden of Eden” lies an enormous “pearl collection” consisting of tens of thousands of small stone pieces in dry ponds, contributing to magnificent beauty of the cave.

All of the following are the wonderful features of Son Doong Cave EXCEPT ………

A. tropical jungle inside with the biodiversity

B. spectacular scenery of numerous stalactites and stalagmites

C. a river flowing over 2.5 kilometers along the cave

D. the big sizes of the cave and the giant domes