He always comes late to work, which, I think, is ______ he should improve in the future.A. where B. what C. why D. when本题不太可能选 why 和 when，但如何区分是选 where 还是 what 呢？
She gave me a determined look—the kind that said she would not change her mind.1. that 引导定语从句修饰the kind, the kind 本身是指代 determined look 的么？2. that在定语从句里做主语么？3. said 在这里是不是后接一个宾语从句？
Vera's curious talent was brought to the notice of a scientific research institute in the town of Ulyanovsk,near where she lives.
1.请问这里的near where she lives做什么成分？其中near是什么词？
2.where she lives是作状语？还是定语？
The miracle is that what he did in the little space of seventy years could have been done at all, even by a great genius. 请问句中at all不是只能出现在否定句和疑问句中吗？在以上陈述句中怎么理解？
But with most ships operating with less than two dozen people, a handful of which being English speaking officers trained in maritime security procedures, how will sailors find the time to communicate with naval assets.