1.When energy __(come) from the wind we call wind energy
2.Lan promiser the __(finsh) her home work tonight 
3.The people in this district __(use) solar energy toreploce energy from coal at the moment 
4.Last night, I war watching a doumentary when the light (go) __(replace) human in the future 
5.Tom __ (be) sick so he couldn't go on the trip to washington D.C yesterday 
6.Do you think robots __ (replace) humar in the futire
7.In my opinion, we __ (not use) coal for cooking and heatiny in the fature
8.Pete __(forget) to turn of the T.V after watching it last night
9. I __(look) of my car key now. I don't remember where I left it