20. John shut everybody out of the kitchen _______ he could prepare his grand surprise for the party.
Fred, who had expected how it would go with his daughter, had a great worry______ his mind. A. on S. in C. with D. at
Sorry. Madam. You’d better come tomorrow because it’s______the visiting hours.
------When do we need to pay the balance ? ------- ________September 30.
It’s quite_____me why such things have been allowed to happen.