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Son Tung _____________ a project on energy source at present. (sing)
is singing
What should we do to _____________ water? ( cut/ take/ save/ waste)
save
The wind is a clean ______of energy. ( root/ source/ origin/ strong)
source
We are looking for cheap, clean and source of energy. (effective/ efficient/ serious/ dangerous)
efficient
We should put on our roof for the heating and hot water. (solar energy/ equipment/ cracks/ solar pannels)
solar panels
Jack ___________ a suit today. A. is wearing B. are wearing C. am wearing D. wears
A
Remember to _____the lights before going to bed. A. turn B. turn off C. turn on D. stop
B
Biogas is and cheap for cooking and heating. A. plenty B. good C. serious D. expensive
b
Fossil fuels are very common in our society but they the environment. A. renew B. provide C. waste D. pollute
D
Do not use more _____________ than what we need. A. wind B. food C. sunlight D. energy
D
It often( snows/ is snowing/ snowing )in the mountains.
snows
____________ source of energy is the source that can’t be replaced after use. A. enewable B. Natural C. Effective D. Non-renewable
Non-renewable
When he ___________in, I___________ in the kitchen. A. comes / am cooking B. come / am cooking C. is coming / am D. comes/are
A
The problem with fossil fuels is that they are not _____________. A. expensive B. limited C. renewable D. non-renewable
B
Do your parents _____________ coal as well as wood to make a fire for cooking? A. burn B. heat C. reserve. D. produce
A
Now, automakers _____________ fuels cells that extract hydrogen from gasoline. A. developed B. develops C. are developing D. will develop
C
