Inuits of the Bering Sea were in isolation from contact with Europeans longer than Aleuts or Inuits of the North Pacific and northern Alaska.
(A) in isolation from contact with Europeans longer than
(B) isolated from contact with Europeans longer than
(C) in isolation from contact with Europeans longer than were
(D) isolated from contact with Europeans longer than were
(E) in isolation and without contacts with Europeans longer than
问题1:什么时候比较级里边的than后面要加谓语动词或者系动词?什么时候不用?例如,我比他高,I'm taller than him. 而题目答案里边为什么还要加个were?
问题2:as ...as 我也有同样的困惑。比如有的时候是 as ... as they are, 有的时候是 as... as are, 有的时候又是 as... as...这个哪位同学能给总结一下?