Question

Complete the second sentence so that it has the same meaning as the first.

1) I / see /school's advertisement / TV /yesterday

 2) If/we/go/ waste/ water/ there/ be/ a shortage/ fresh water.

3)I /think/you/ use/energy-saving bulb / instead /an ordinary bulb

. 4) The problem/energy shortage / Be / solve / the future.

Answer 1

I saw your school's advertisement on TV yesterday

If we go on wasting water, there will be a shortage of fresh water

I think you should use energy-saving bulbs insted of an ordinary bulbs 

The problem of energy shortage will be solved in the future