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When energy ___________ (come) from the wind, we call it wind energy.
comes
Lan promises she ___________ (finish) her homework tonight.
will finish
The people in this district ___________ (use) solar energy to replace energy from coal at the moment.
are using
Do you think solar-powered cars ___________ (replace) petrol-powered ones in the future?
will replace
Tom ___________ (be) sick so he couldn’t go on the trip to Washington D.C. yesterday.
was
In my opinion, we _________ (not use) coal for cooking and heating in the future.
will not use
Pete ___________ (forget) to turn off the TV after watching it last night.
forgot
I ___________ (look) for my car key now. I don’t remember where I left it.
am looking
Sonya: When ___________ you ___________ (buy) that Solowheel? - Ben: Last month.
did you buy
