Trả lời: Giving additionGiving differentGiving selectionGiving resultGiving reasonGiving contrastandbutorsobecausealthough
Trả lời: 1. and 2. but 3. Although 4. because 5. so 6. or
Trả lời: 1. so2. Although3. but4. and5. or6. because
Trả lời: 1. You should use green sources of energy because you can protect the earth.2. We should limit the use of fossil fuels or our future generations will lack energy.3. Although green sources of energy are good, we need more time to make them perfect.Green sources of energy are good but we need more...