问题 fire和inspiration的解释？

...rally by the end of the second year, students are required to declare a major. In some cases, students begin classes in a program of study from the minute they enter the university.Some college freshmen seem to have been called to a profession at an early age, and their determination to become ...

话题 one … or another

话题 yes or no

话题 brothers or sisters

话题 not a…or…

话题 whether or not

话题 one or two

话题 he or she

话题 more or less

话题 his or her

话题 a…or twoy

话题 连词and or用法

问题 toy with的理解问题

With surging obesity levels putting increasing strain on public health systems, governments around the world have begun to toy with the idea of taxing sugar as wells此处的toy with 是什么意思？网上的意思是不太认真地考虑，可感觉这里好像不是这种含义？

问题 along with doing sth的用法分析

These days they are required to pay their apprentices the minimum wage, along with teaching them. 请问专家老师，句中 along with 之后的 doing 短语是现在分词还是动名词短语? along with 也可以 with 替代吧？

问题 whether...or...是什么词（引导什么从句）

请问专家：whether...or...是什么词性？它用于引导什么从句？麻烦专家老师举例说明一下，谢谢！