There _______ be some mistake — no one called Shaw lives her
There _______ be some mistake — no one called Shaw lives here.
A) must B) can C) need D) ought
The box of cookies costs ________ dollars only and they sell well.
A) much B) some C) a few D) a little
no one caled Shaw lives here 有什么逻辑关系?
另外 some 为什么不可以?