（2014.12） 31. The staff in their customer service are always helpful, friendly, (cheer) _________ and eager to help. 32. Once we have received the goods back from you, we (give) _______ you a refund for the cost of the product. 33. First- class seats on a British Airways flight are considerably (expensive) _____________ than business-class seats. 34. Technology is ever changing within the industry and there is always a new piece of (equip) ___________ to use. 35. The 2010 World Cup (hold) _______ in South Africa, which was the first World Cup hosted on African soil.