题目

选出各句相应的答语。⑴Happy birthday, Mary.A. OK.⑵When is Mid-Autumn Day this year? B. I eat a birthday cake.⑶What will you do for your father?C. I'll write him a letter.⑷Let's watch TV together.D. Thank you.⑸What do you often do on your birthday? E. It's on September 15th. 答案：【1】D【2】E【3】C【4】A【5】B800÷16÷5=800÷（□ × □）。