I’ve just borrowed a CD player, but I don’t know_______.—You can read the instructions

I took mathematics and physics because I think that _______very important for me to make furtherresearch in this field.[ ]

— Do you think we should accept that offer?— Yes, we should, for we _____ such bad luck up till now, and time _____ out.[ ]

There was good food ______ abundance at the party.

What a bargain! The price of this dress is_______ that of the skirt.