Complete the second sentence so that it means the same as the first. Use the word given.

1 The world's population is certain to increase in the next 50 years. (will) The world's population in the next 50 years.

2 Not much rain means less fresh water to drink. (going) There hasn't been rain, so there be less fresh water to drink.

3 By 2100, there is a chance people will be living on Mars. (might) By 2100, people on Mars.

4 l plan to be back in two weeks' time. (will) In two week's time returned

5 Many animal species are sure to die out because of global warming. (will) Many animal species because of global Warming.