根据答句问问题。
（1）A.                               
B. We’re going to the zoo this Sunday.
（2）A.                             
B. I ate dinner at 7.00 last night.
（3）A.                             
B. John went to school by bus.
（4）A.                             
B. Mary bought some story- books in the bookstore.
（5）A.                             
B. No, I went ice-skating last week .