74. We all know Bill is a football fan .

73. Have you ever been to the East Lake .

72. They are looking through 　books to find some useful information.

71. The bus runs slowly 　and I’m afraid I’ll be late.

70. The price is low 　and I can buy it.

69. He lives in the tenth floor, so he takes the elevate up and down.

68. We buy books from the bookstore .

67. When we leave school, we say goodbye 　to each other.

66. We usually have lunch at noon .

65. Yao Ming is an excellent basketball player.