英文文法问题

楼主: j910362 (GOGEN)   2016-01-11 15:16:13
http://i.imgur.com/irdjea5.jpg为什么11不能选B
http://i.imgur.com/KfOUpz5.jpg为什么14不能选A?
谢谢
作者: luenchang (luen)   2016-01-13 00:20:00
A and B--> A and B should be structurally the same

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