【题目】从B中选择合适的答案回答A的问题，把序号填到前面的括号中。
A B
( ) 1. Let’s go the library. A. Yes, I do.
( ) 2. Where is the teachers’ office ? B. Yes, it is.
( ) 3. Do you have lunch at school ? C. Forty-six.
( ) 4. How many desks are there in your class? D. OK.
( ) 5. Is that your pencil ? E. It’s on the first floor.
