20. Economics (is, are) Don’s favourite subjects. 21. Ten minutes (is, are) more than enough time to complete this exercise. 22. Most people (likes,like) to go to the zoo. 23. The police (is, are) coming. I’ve already called them. 24. Japanese (is, are) very difficult for English speakers to learn. 25. the Japanese (has, have) a long and interesting history. 26. The old in my country (is, are) cared for by their children and grandchildren. 27. This exercise on singular- plural agreement of subjects and verbs (is, are) easy. 28. The extent of Jane’s knowledge on various complex subjects ( astounds. Astound: lam kinh ngac) me. 29. The subjects you will be studying in this cource (is, are) listed in the syllabus. 30. Massachutes andConnecticut (is, are) located inNew England. 31. Only the black Widow spider, or all of the spiders in the US, ( has,have) caused death among human being. 32. The professor and the student ( agree, agrees) on that point. 33. Almost every professor and student at the Universary ( approves, approve) of the choice or Dr.Brown as the new president 34. Each girl and boy in the sixth- grade class( has,have) to do a science project. 35. Getting to know students from all over the world (is, are) one of the best parts of my job. 36. Annie had a hard time when she was coming home from the store because the bag of groceries ( was,were) too heavy for her to carry. 37. where ( do, does) your parents live? 38. Why ( was,were) Susan and Alex late the meeting? 39. (Is, are) having the respondsibility for taking care of pets good for young children? 40. Some of the fruit in this bowl (is, are) rotten 41. Some of the apples in that bowl (is, are) rotten 42. Half of the students in the class (is, are) from Arabic- speaking countries. 43. Half of this money ( belong, belongs) to you. 44. A lot of students in the class (is, are) from Southeast Asia. 45. A lot of clothing in those stores (is, are) on sale this week. 46. One of my best friends (is, are) coming to visit me next week. 47. Each boy in this class ( has,have) his own notebook. Hứa 5 sao+ctlhn+ cảm ơn nha !