Scientics think that the continents ( weren‘t ) always where they ( are ) today
问题描述：
Scientics think that the continents ( weren‘t ) always where they ( are ) today
为什么第一个空填weren‘t,而第二个空填are啊
第一个空不是有always吗?那应该用一般现在时啊
答
always,可用于一般过去时,表示过去经常,总是做某事.
第二空有now 就用are
那第一空就是指过去了,用were