Acute

We should develop such…….. Sources of energy as solar energy and nuclear energy

• Tradition

• Alternative

• Revolutionary

• Surprising

Increased consumption will lead to faster……………. Of our natural rescources

• Exhaust

• Exhausting

• Exhaustion

• Exhaustive

Dinosaurs became…………. Millions of years ago.

• Disappear

• Extinct

• Last

• Endangered

All Fossil fuels are…………. Resources that cannot be replaced after use.

• Unlimited

• Renewable

• Available

• Non-renewable

Many are…………… of animals are in danger of extinction

• Species

• Classes

• Being

• Pairs

On the web you can read…… newspapers or magazines; you can watch Video download music or buy anything

• Virtual

• Online

• Digital

• Offline

Helen is much more confident with her English now. She can actually……. a conversation with her teacher in English without difficult

• Keep

• Do

• Improve

• Hold

Many people only use their computer as a...…… All they do is to write letter and reports on it

• Word processor

• Template

• Document

• Spreadsheet

Personal………….. divices are useful for learning

• Electric

• Electrical

• Electronic

• Electronical

They' re excellent learning......... You can store information, take notes, write essays and do calculations

• Equipments

• Tools

• Gadgets

• Techniques