The zoo keepers is worried because the number of visitors __ smallerand smaller.

_____ is no need to worry about the matter.

Did you return the book you borrowed from Tom— Yes, I gave it to him ______ I saw him.

The reasonI have to go is my mother is ill in bed.

We wish we ______ go for an outing next week. Of course, _______ , we surely counldn’t go.[ ]