_________ worries my classmate Mary a lot these days is that she puts on too much weight and she is frequently ill. 22. She has some doubts __________ she is eating too much fast food high in fat or sugar. 23. Maybe this is also a reason _________ she is becoming fatter and fatter these days, she thinks. 24. To find out _________ she can get slimmer and healthier has become her main task.. 25. But where she could get suggestions and ________ will give her advice puzzles her. 26. Jane Goodall ’s research makes_______ clear that chimps actually eat meat 27. Jane Goodall argues _________ wild animals should be left in the wild and not used for entertainment. 28. It’s not really surprising _______ Brie Larson won the Oscar award for Best Actress in a Leading Role as she’s so talented and hard working 29. Cloning has two major uses, one of ________ is that it is valuable for research on new plant species and for medical research on animals. 30. No one knows exactly _________ the earth began, as it happened so long ago. 31. The “Big Bang” happened several billion years ago, but _________ the earth was to become after that was uncertain until between 4.5 and 3.8 billions years ago when the dust settled into a solid globe. 32. Some people have the idea ________ you can cross Canada in less than five days, but they forget the fact ________ Canada is 5,500 kilometres from coast to coast. 33. It was after two days ’ travel ________ the girls began to realize that Canada is quite empty. 34. The girls began to realize ________ Canada is quite empty after two days ’ travel. 35. Lin Fei told them that __________ most of the Chinese people there came from South China, especially Hong Kong, they could get good Cantonese food in Toronto. 36. People may wonder ________ different words are used to describe these four countries: England, Wales, Scotland and Northern Ireland, but you can clarify this question _______ you study British history. 37. _______ is incredible that __________ these cities in Northern England are relatively small, they have world-famous football teams and some of them even have two! 38. I still cannot believe ________ I am taking up this prize _______ I won last year, and I have to remind myself constantly ________ I am really in AD 3008. 39. When Zhou Yang asked _________ he needed to remember when he went out to cover a story, Hu Xin told him that he needed to be curious. 40. Burns are called first, second or third degree burns, depending on _________ layers of the skin are burned.