1) If we don t reduce the amount of fresh water

1) If we don t reduce the amount of fresh water we use,it is certain to run out(will)
We need to use less fresh water or it

2)Next month, there s a chance lll be going on a trip to Sweden (might)
Next month ,l _______ on a trip to Sweden.

3) l have a lot to do today,but l plan to finish by six oclock(will)
l have a lot to do today,but by six oclock l _____ finished

4)l know things will turn out all right(is)
Everything ____ be all right

5)Jasj will be back by the end of the week.(returned)
Jack will___ by the end of the week