1.Do you know the difference ......... ?

2.I can see from the expression on your face that you haven't......... .

3.I think the best way is to tell you a story that ......... .

4.The main difference is that 'I will' ......... .

5.If you say 'I shall' then you are talking ......... .

6.I want you to imagine that a man is walking ......... .

7.After a few minutes he ......... .

8.There is a man in the river fully clothed who is ......... .

9.The man in the river keeps ......... .

10.The man on the river bank, who is good at grammar, thinks the man really wants to drown, walks on and ......... .