Question

15.Eat-up Campaign has become    hot topic, calling for people to take   action against waste.

A. a; /       B. a; an

C. the; I     D. the; an

Answer 1

15. A考査冠词的用法。第一空考查不定冠词的基本用法，a hot topic泛指一个热门话题;第二空考査零冠词的用法，take action 意为"采取行动"，为固定短语。句意:"光盘行动"已经成为一个热门话题，它要求人们采取行动抵制浪费。故A正确。