Topics: Vocabulary and Grammar
When you save energy, you not only save money, you also reduce the demand for ___________ such as coal, oil, and natural gas and that is a great wa to play a part in saving the planet.
A. carbon footprint
B. electricity
C. fossil fuels
D. biogas
Select your answer:

Random Topics:
Present Continuous vs Future TensesPast Continuous vs Past SimpleCountable - UncountablePast PerfectWh-QuestionPhrasal Verb and ModalAdjective or AdverbWish SentenceHas Got & Have GotNounsOther quiz:
Grammar › ViewBart is _____________ [smart] Homer.
A. Bart is the most smartest Homer.
B. Bart is the smartest than Homer.
C. Bart is smarter than Homer.
D. Bart is more smarter than Homer.
Simple Past › View
The old man _________ lonely after his family moved abroad because his friends visited him every day.
A. didn’t felt
B. didn’t feel
C. wasn’t feel
D. not feel
