摘要：
72.Ourschoolhastwentyclasse s.（我们的学校有二十个班级.）73.Ihavesomebreadandjam.（我有一些面包和果酱.）74.Thereis... 72. Our school has twenty classes.（我们的学校有二十个班级.）
73. I have some bread and jam.（我有一些面包和果酱.）
74.There is a teacher's desk in the classroom.（教室里有一只讲台.）
75. There are forty pupils in the playground.（203场上有四十个学生.）
76. There are some desks and chairs in the office.（办公室里有一些书桌和椅子.）
77. There are two blackboards on the wall.（墙上有两块黑板.）
78. There are four lights in the classroom.（教室里有四盏灯.）
79. There is a loud-speaker in the hall.（大厅里有一只喇叭.）
80. There are two portraits above the
blackboard.（黑板上方有两张像.）
81. There is a map and two pictures in the reading-room.（阅览室里有一幅地图和两幅画.）
82.Your pencil is blue. Mine is blue, too.（你的铅笔是蓝色的.我的也是蓝色的.）
83. His book is new. Hers is new, too.（他的书是新的.她的也是新的.）
84. Our classroom is big. Theirs is big, too.（我们的教室很大.他们的也很大.）
85. Her brother is a worker. His is a worker, too.（她的兄弟是一个工人.他的也是一个工人.）
86. Their house is near the park. Ours is near the park, too.（他们的房子在公园附近.我们的也在公园附近.）
