一些很简单的英文单选题!
1.Mary and Jane are twin sisters .They look exactly _____.
A.height B.length C.size D.breadth
2.Twenty miles _____ a long way to cover .
A.have been B.is C.are D.were
3.I am sorry ,but what you said is of the _____importance to me.
A.least B.worst C.last D.lowest
以上三个题分别选什么啊?还要它们的翻译及所选原因.