请教一道语法 GMAT PREP

如果是OG的题别骂我啊 马上考了 都忙到没法一道道找了 谢谢大家

Radio carbon dating of fossies taken from caves on islands along southen Alaska's coast suggests that a least a portion fo the area remained ice free during last ice age.

两个问题 A LEAST A PORTION 是怎么个意思啊

其次 REMAINED可以用过去完成时么 因为是LAST ICE AGE啊

我写的句子是正确答案 帮分析下吧 XDJM 们 谢谢了

up

帮帮忙啊

以下是引用jfw1115在2005-12-28 19:48:00的发言：

如果是OG的题别骂我啊 马上考了 都忙到没法一道道找了 谢谢大家

Radio carbon dating of fossies taken from caves on islands along southen Alaska's coast suggests that a least a portion fo the area remained ice free during last ice age.

两个问题 A LEAST A PORTION 是怎么个意思啊

其次 REMAINED可以用过去完成时么 因为是LAST ICE AGE啊

我写的句子是正确答案 帮分析下吧 XDJM 们 谢谢了

[at least] a portion of the area, lz断错句了~

last ice age指的是过去一个特定的时间，而且，句子中没有指出动作已经在过去的过去完成，所以用过去完成时是不对的。用过去时很恰当。