Solve : excel 2003 - how to link check boxes in design mode?

1.	Solve : excel 2003 - how to link check boxes in design mode?
Answer» I have just STARTED to build a FORM and have added chck boxes Yes and No into the form. How do I LINK the 2 boxes so that only yes or no can be answered for the question. How do I link the SIZE of the check box to the cell size. I have looked at properties in design mode and can't SEE anything that looks obvious. Can anyone help?

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