In some parts of Asia, a person mustn’t sit with his feet _____ another person, _______ isconsidered impolite.
44. She heard a terrible noise, ______ brought her heart into her mouth.
45. The teacher gave the books to all the students except _______who had already taken them.
46 Our manager allowed _______to take a holiday next week.
47. Although he 's wealthy,he spends_____________ on clothes.
48. They were all tired, but _____ of them would stop to take a rest.