Choose the sentence A, B, C or D that is closest in meaning to the original sentence.

Earth is the only planet with liquid water.

The Sahara, which is the largest hot desert, covers much of North Africa.

North Africa is the largest hot desert, which covers the Sahara.

The Sahara and North Africa are the two hottest deserts in the world.

No desert is hotter than North Africa, which is located in the Sahara.

The world's longest river is the Amazon River, which flows through South America.

South America is the largest river in the world, which flows through Amazon.

The Amazon River, which is also called South America, is the largest river in the world.

The Amazon River, which flows through South America, is the world's largest river.

A hotel is a place that people stay when they're on holiday.

A hotel is a place which people stay when they're on holiday.

A hotel is a place, where people stay when they're on holiday.

A hotel is a place where people stay when they're on holiday.

He is very tired because he wasn't slept well.

He was very tired because he hadn't slept well.

He has been very tired because he wasn't sleeping well.

He is very tired because he has slept well.

There is ecological balance due to the flora and fauna.

Thanks to the flora and fauna, there is ecological balance on Earth.

Earth creates flora and fauna for ecological balance.

The flora and fauna are results of an ecological balance.

Five students who test results are excellent will be awarded a present.

Five students whose test results are excellent will be awarded a present.

Five students whom test results are excellent will be awarded a present.

Five students which test results are excellent will be awarded a present.