1.remote control is used to operate TV

2.I was upset because a fly spins around me.

3.Smoke that comes from many factories, pollutes air.

4.Wind is not available,because it doesn't blow all the time.

5.We know that water is a renewable energy from the book.

6.Because graphs show a dramatic change, so many labs use graphs.

7.A mathod for producing energy is various.

8.A nail is stuck between the desks.

9.In school, beverage is replaced by water.

10.I hope we have an intelligent robot at our house.

11.When Judy called EXO, they turned around and smiled.