at a bargain price at a good price at a loss at a profit at cost price at last
at least at our expense at short notice at your disposal by accident by air
by e-mail by fax by letter by return of postlmail Unfortunately, we were obliged to resell the goods ______

a. Ms Pink offered to draw up guidelines on the training of staff.
b. It was agreed that staff in some sections needed training in the use of the computer.
c. It was pointed out that Mr Gold’s staff were afraid of using the computer.