（ ）15. People who have a large order can be given a special discount.

（ ）52. Bella enjoys eating out but can’t afford to spend very much at the moment as she is saving for a holiday. She has never learnt how to cook, so now might be quite a good time to find out!

47.You can get the bacteria under control by bathing with your soaps ______ for two weeks.

38.The underlined word “imitate” has a similar meaning to ______.

7.

33. Better take a hat with you ______ you get sun burnt because of the strong sunlight.

3.

49. ______ absorb smelly sweat easily and therefore are better at hiding body odor.

48. Any worn clothing or ______ will produce bacteria used bath towel

60.如今人们有了更多的闲暇时间，因而对各种服务的需求增长得如此快。

（ ）55. Ron’s wife is in hospital. He wants to finds a programme suitable for his three-year-old son while he gets on with the housework and prepares a meal.

21. ______ the course very difficult, she decided to move to a lower level.