So difficult __________ it to work out the problem that I decided to ask Tom f
题型：不详难度：来源：
So difficult __________ it to work out the problem that I decided to ask Tom for advice. | A．I did find | B．did I find | | C．I have found | D．have I found |
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答案
| B。 |
解析
| 句子使用的基本句式为so…that…结构。按英语语法，当该结构的so…置于句首时，其后的句子(主句)要用倒装语序，如：So loudly did he speak that even people in the next room could hear him. 他讲话声音那么大，隔壁屋里的人都听得见。 |
举一反三
—It’s burning hot today, isn’t it?
—Yes. __________ yesterday.| A．So was it | B．So it was | | C．So it is | D．So is it |
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Only then __________ how much damage had been caused. | A．she realized | B．she had realized | | C．had she realized | D．did she realize |
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At the foot of the mountain __________.| A．a village lie | B．lies a village | | C．does a village lie | D．lying a village |
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Just in front of our house __________ with a history of 1, 000 years.| A．does a tall tree stand | B．stands a tall tree | | C．a tall tree is standing | D．a tall tree stands |
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Little __________ that we were watching his every move, so he seemed to be going his own way in this business. | A．he realized | B．he didn’t realize | | C．didn’t he realize | D．did he realize |
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