---Our family will go to Australia for a holiday.---Oh really? That sounds !A. fantasticB

问题补充：

---Our family will go to Australia for a holiday.

---Oh, really? That sounds !

A. fantastic

B. frightening

C. flexible

D. Fresh

答案：

(答案→)A. fantastic

B. frightening

C. flexible

D. Fresh

解析：考查形容词：A. fantastic 美妙的，好极了，B. Frightening令人害怕的C. Flexible灵活的D. Fresh新鲜的，句意：--我们家人要到澳大利亚度假。--真的吗？太好的。选A。