Dad,I am going to have a picnic with my friends tomorrow.

问题描述:

Dad,I am going to have a picnic with my friends tomorrow.
A.Good idea!
B.Have a good time!
C.Why not?
D.Come back home early.

B 祝你过得愉快
只是口语中的惯用表达,某人要出去旅游之类的,通常用 havea good time