补全对话A: Hello, Betty. {#blank#}1{#/blank#}?
B: Hello, Tony. Our classroom is really big. There are 46 students in my class. {#blank#}2{#/blank#}?
A: There are 45 students in my class.
B: {#blank#}3{#/blank#}?
A: Yes, there are two maps on the wall, a map of the world and a map of China.
B: {#blank#}4{#/blank#}?
A: No, there isn't a TV in our classroom. Bu t there is a computer.
B: {#blank#}5{#/blank#}?
A: It's on the teacher's desk. Oh, it's time for class(该上课了). Let's go. Bye.
B: Bye.
