I don't know _______ Gina will go to the zoo tomorrow.She is busy these days.

问题描述:

I don't know _______ Gina will go to the zoo tomorrow.She is busy these days.
A if B unless C though D how
Though Mike lived far from his school,_____ he never got there late.
A but B if C so D yet

个人觉得楼上解释不到位.1.A翻译:我不知道吉娜明天是否会去公园.这些天她很忙.if的意思是“如果”,在句中引导know的宾语(从句).如果选BC,则主句I don't know中缺少宾语,因为它们都引导的是状语从句,而不是宾语从...