Have you returned the book to the library ____? —Yes, I have ____ returned it.

I never thought she would _______ my invitation to the concert. —She would feel sorry for missing the concert someday.

How was _______ charity show?－ It was _______ big success.

Simon is ______ of Sandy and Sandy is on Simon’ right.[ ]

________do you exercise?-I exercise once a day.[ ]