As of+时间怎么用(附上kaplan的例题)

好吧 · 发表于 2011-7-31 01:03:11

As of this morning, none of my friends have been able to solve the puzzle contained in last week's newspaper.

(A) none of my friends have been able to solve

(B) none of my friends was able to solve

(C) not one of my friends has yet been able to solve

(D) none of my friends has been able to solve

(E) nobody among my friends have solved

这是kaplan的第一道例题，答案是D
可为什么要用现在完成时呢？是因为as of 吗？

bitieming · 发表于 2011-7-31 08:09:26

as of跟until意思相近，代表到句中时间点之前的“一段时间”因此要用完成时。

好吧 · 发表于 2011-7-31 14:32:49

恩，好的，谢谢。
顺便问问这是哈士奇还是阿拉斯加呢？光看脸还真看不出来。

bitieming · 发表于 2011-7-31 16:59:32

不客气~另外我也不知道这是啥……对大型犬天生有好感~

好吧 · 发表于 2011-7-31 22:07:57

嘿嘿，握爪

As of+时间怎么用(附上kaplan的例题)

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