the classroom, a book was found on the ground. [ ] A．Entering; layB．Entered; lai
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![the classroom, a book was found on the ground. [ ] A．Entering; layB．Entered; lai](/pic/43_899454.jpg)
________ the classroom, a book was found ________ on the ground.
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A．Entering; layB．Entered; laidC．Enter; lyingD．He entering; lying
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解析：当分词的逻辑主语不在句中时，我们要给它加上相应的逻辑主语，也称作独立主格结构。第二空则是现在分词短语在句中作主语补足语。 |