____do you want? —Let me have five kilos.[ ]

I bet Mrs. Black will come to help us with the celebration if she ______ too busy tomorrow. [ ]

Whose hat is this? — I think it can’t be John’s or Kate’s. It’s much too small for __________.

When ______ comes to research into heart disease and its effects on the body, we do not have adequate substitutes for the use of animals.

What ____________ at nine o’clock last Sunday morning.?