题目

---Is it convenient for you to go shopping with me tomorrow morning?   ---I’m afraid not. I________then. A.will have a meeting                    B. am about to have a meeting  C.am having a meeting                       D.will be having a meeting 答案：D　　There is _______“a” in the world “apple”. [　　] 　　A． theB． /C． aD． an