GRADE 7. REVIEW UNIT 10

This time next year my father .................. in the hydro power station.

• will work

• will be worked

• will be working

Don't forget to turn off the lights before ...............

• you left

• you leave

• you are leaving

My brother and I .............................to school to cut air pollution.

• will cycle

• will have cycled

• will be cycling

By the year 2020, people in my village ........................ energy from the sun.

• will use

• will be using

• will be used

What ........................... to save electricity?

• will we do

• will we be doing

• will we be done

What ........................ to us when the non-renewable energy sources run out?

• will happen

• will be happened

• will be happening

Wind power is a renewable source because it ........................ easily and quickly.

• can replace

• can be replaced

• replaces

The students in my school .............................. low energy light bulbs in the school.

• will put

• will be put

• will be putting

Alternative sources of energy .......................... quickly.

• will developed

• will be developing

• will be developed

The energy consumption ....................... as much as possible.

• will reduce

• will be reduced

• will be reducing