ENGLISH 9 - WORD FORM - UNIT 7

Her brother managed the business ________________ (effect)

HSolar energy will be the most _____________ source of power in the near future. (effect)

Farms can have both positive and negative ______on the community.     (effect)

The costumer wants products that have information about energy ________                   (efficient)

He always solves every problem _____________. (efficient)

This is simply the most _________________ way to do it.  (efficiency)

The companies should regularly___________ new products.      (innovation)

There must be a lot of ___________ in our factory.   (innovate)

They will ___________ a new solar unit on the roof of my house.                           (installation)

The _________________ of the new system will take several days.                 (Install)