—Mum I hope we can spend our holiday abroad this year.— I’m too busy to take a trip abroa

问题补充：

—Mum, I hope we can spend our holiday abroad this year.

— I’m too busy to take a trip abroad.

A. Better forget it.

B. Why not?

C. It couldn’t be better

D. Good idea!

答案：

(答案→)A. Better forget it.

B. Why not?

C. It couldn’t be better

D. Good idea!

解析：考查交际用语：A. Better forget it.最好忘了，B. Why not?为什么不？C. It couldn’t be better.不能再好了，D. Good idea!好主意，句意是：妈妈，我希望今年能去国外度过假期。从后面的：我太忙不能出国旅行。可知选A。忘了吧。