问PP 里的一个语法的问题
When __ to dough and heated, carbon dioxide is released, causing the dough torise.
A added baking power is
B baking powder is added.
正确答案是A 。。。。但B好似也说得通吧??
举报
When added baking power is to dough and heated, carbon dioxide is released, causing the dough torise.
觉得整个句子非常奇怪,为什么多了一个IS?
如果是b的话可以有一种不成立
When baking powder is added (to dough and)既然是并列可以省去一样成立才行 heated, carbon dioxide is released, causing the dough torise.
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