题目
题型：不详难度：来源：
33．Only after he had spent several nights working on the math problem_______to wonder whether the problem was wrongly set．
| A．did he begin | B．he began | C．he did begin | D．began he |
答案
解析
核心考点
试题【33．Only after he had spent several nights working on the math problem_______to w】；主要考察你对句式等知识点的理解。[详细]
举一反三
3. ______, I can spare no time for it now. I’ll have to finish my homework first.
| A．However exciting the football is | B．No matter exciting the football is |
| C．However the football is exciting | D．No matter how the football is exciting |
5. From this story, you can have some idea ______ can be used in reality.
| A．that you have learned | B．how what you have learned |
| C．how that you have learned | D．how you have learned |
8. We missed our train, and ___ the next train was delayed, ____ we had to wait for two hours.
| A．on top of that; in that case | B．as a result; so that |
| C．because; therefore | D．what was worse; in which case |
13. ___ had they reached the 30th floor ____ they realized that they had forgotten to take the key.
| A．Hardly; than | B．Hardly; when | C．No sooner; when | D．No sooner; then |
17. ______, his idea was actually worth practicing.
| A．As it might sound strange | B．Strange as it might sound |
C．As strange i t might sound | D．Strange as might it sound |
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