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Many students trying to save money choosing to fill up water

来源:学生作业帮 编辑:大师作文网作业帮 分类:英语作业 时间:2024/11/12 18:48:51
Many students trying to save money choosing to fill up water bottles with tap water rather than
buying bottled water 这里为什么要用buying 啊 rather than 前后不要一致么
Many students trying to save money choosing to fill up water
动词的语态是要前后一致.所以用buying,因为前面用的是choosing.
再问: 难道不是和choosing to 后面的FILL UP 一致么
再答: 因为choose是动词,而且有个句型是choose to do somthing. 那么在这里就是choosing to fill up...("choosing" 相对应"buying",前后保持一致; 而"fill up"这边是保持原形="do", 不是"doing")