A.A little less than six hundred billion dollars.B.Six hundred billion dollars.C.More

外语类 英语考试 已帮助 人

A.A little less than six hundred billion dollars.

B.Six hundred billion dollars.

C.More than six hundred billion dollars.

D.About six hundred billion dollars.

热搜:a是b的充分条件,b是a的必要条件吗