16.We didn't arrive in time to see her.
We weren't early...........................................................................................................................................................................
17. If you don't have a rest,you really will be ill.
Unless............................................................................................................................................................................................
18. The water was so cold that the children could not swim in it.
The water was not...............................................................................................................................................................
19. Ba was arrested by the police.
The police..............................................................................................................................................................................
20.There are a number of people waiting to see you.
A number of people......................................................................................................................................................................
16.We didn't arrive in time to see her.
We weren't early............enough to see her in time................................................................................................................................................................
17. If you don't have a rest,you really will be ill.
Unless.....you have a rest, you really will be ill........................................................................................................................................................................................
18. The water was so cold that the children could not swim in it.
The water was not.....................not warm enough for the children to swim in...........................................................................................................................................
19. Ba was arrested by the police.
The police......... arrested Ba......................................................................................................................................................................
20.There are a number of people waiting to see you.
A number of people................ are waiting to see you.......................................................................................................................................................