7.

（ ）51.Although Rob lead a quiet life in a small village, that doesn’t stop him from wanting to find out about the latest scientific development.

17. He was very busy yesterday; otherwise, he _____ to the meeting.

19. You cannot accept an opinion ______ to you unless it is based on facts.

64.庆幸的是我们带了地图，要不然我们可能就迷路了。

（ ）53.Dan is interested in taking wildlife photographs and enjoys the kind of programme which gives him a chance to see a professional photographer at work.

61.我们在寻找有经验的人士，他们愿为我们高绩效的组织做出贡献，并能为他们职业生涯的成功而奋斗。

18. —John, What ______ in your hand?—Look! It‘s a birthday gift for my grandma.

（ ）13. The products of company are sold only at home.

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

25. I keep the picture where I can see it every day, _____ reminds me of the days in my hometown.

（ ）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!