有关状语从句的选择题
1.__we know the facts we can't do anything about it. A. As long as B. When C.Once D. Until 2. He must practise often __. A. so that he may speak flently B. unless he will speak fluently C. if he could speak fluently D. so that he would speak fluently 3. __ we have finished the course, we shall start doing more revision work. A. For now B. By now C. Now that D. Ever since 4.I found a man following me. __ I turned around, he was always there. A. However B. Whatever C. Whenever D. While 5. It __ until dusk that he realized that it was too late to return home. A. was B. wasn't C. weren't D. were
1。D
not until 直到。。。才
until/till 直到。。。就
题目中的not是关键的线索词
2。A
so that可以引导目的状语从句或表示程度的结果状语从句，这里是目的状语从句，它的具体句型结构是：
肯定式 否定式
现在时: y/ ouldn'tdosth。
过去时:sothatsb。might/ ouldn'tdosth。3。C
now that 既然，表示显而易见的原因，因果关系不强。
4。C
此句中whenever=no matter when无论何时，引导让步状语从句，因为从句部分的主谓宾俱全，只可能缺少状语，再根据句意判断。
5。B
not until从句的强调句，具体形式为：
It is/was not until+从句部分+that+主句部分
注意要与not until引导的倒装句区分开来。
Not until+从句部分（不倒装）+主句谓语的助动词或情态动词+主句主语+主句谓语的行为动词+主句剩余部分。
答：个评分来自于“EWG”的成分安全评价标准，美丽修行上的成分安全分以1-10表示，数字越小代表成分越安全。10分代表的是最高安全分，意味着该产品的成分非常安全，对...详情>>
