29. Not only cigarettes and alcohol is believed to be harmful to one's health. 30. My computer has an internet connect which gives me access to all sorts of information. 31. A total of ten thousands of dollars was spent on radio advertising, although recent requests for budget-cutting measures. 32. Mrs. Gates appreciated serving breakfast in bed when she wasn't feeling well 33. Whistling or clapping our hands to get the person's attention are considered impolite. 34. Despite the time of the year, yesterday's temperature was enough hot to turn on the air conditioning. 35. Found in the 12th century, Oxford University ranks among the world's oldest universities. Tìm lỗi sai và chữa lại ạ:33