题目内容：

Ten dollars ——— （be) missing from the bag.Twenty dollars ______ (be) enough for the coat.

优质解答

两个都是用is.
Ten dollars【is】missing from the bag.
Twenty dollars【is】enough for the coat.
哪怕是a hundred dollars, a thousand dollars, a million dollars, 后面都得用is, 因为钱是作为一个整体来算的.