题目内容

It has been years __________ I returned home.
[A]after
[B]that
[C]since
[D]when

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Why do you blame him for his poor judgment on the matter______he really needs is encouragement?
[A]when that
[B]since that
[C]when what
[D]now that

静态微程序控制单元是________。

[A]behind
[B]alone
[C]out
[D]aside

We'll keep you ______ any news.
[A]up to date with
[B]in step with
[C]in line with
[D]in terms of

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