61. Helen is doing well in PE than Nancy.

60. Is Yang Ling's kite higher than Liu Tao?

59. Jim is not as stronger as the other boys.

58. Your mother looks young than her mother.

57. How about go for a walk with us?

56. Do you have any problems of your homework?

55. He like playing football very much.

54. My brother is good in Chinese.

53. Is Tom ride a bike? Yes, he is.

52. How many maps are there in the study? There's two.