С#1 complete the sentences with can, could, be able to, must, have to, be to, should in appropriate forms. use several options and translate the sentences. a) they … buy new office equipment last month but they didn’t do it. b) a good sales manager … know the market very well. #2insert the right preposition. a).this offer is very attractive … comparison with the offers from other companies. b).what goods does this shop deal … ? c).they didn’t agree … our terms of delivery.