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专题检测卷(十)
状语从句
(限时15分钟)
1. (2012·安徽名校联考) _______ it is normal for parrots to talk, Einstein, a small bird, is unusual in that whenever she hears a new word or sound, she repeats it over and over until she masters it.
A. As B. When C. While D. Since
2. (2012·遂宁模拟)Children should be instructed to put things _______ they belong in their early childhood.
A. where B. in which
C. to which D. what
3. (2012·吉林二模)The government has taken some measures to solve the shortage of electricity, but it may be some time _______ the situation improves.
A. since B. when C. unless D. before
