---Mum I’m leaving for the party and I’m not coming back for dinner.--- dear son!A. Be c

问题补充：

---Mum, I’m leaving for the party and I’m not coming back for dinner.

---, dear son!

A. Be careful

B. Have fun

C. Come back early

D. Don’t make trouble

答案：

A. Be careful

(答案→)B. Have fun

C. Come back early

D. Don’t make trouble

解析：固定答语。