A.A tape recording that he made of the concert.B.The corrected text from the program o

外语类 公共英语 已帮助 人

A.A tape recording that he made of the concert.

B.The corrected text from the program of the concert.

C.Some photographs that he took of her during the concert.

D.A review of the concert that he wrote for the campus paper.

热搜:a是b的充分条件,b是a的必要条件吗