____ had never occurred to me that he should have some deep personal objection.

____ had never occurred to me that he should have some deep personal objection.

题目
____ had never occurred to me that he should have some deep personal objection.
答案是It,做同位语.这个我也想得明白,
但是如果用What也能说通啊~What的话,当主语从句.
答案
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
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想找英语初三上学期的首字母填空练习……
英语翻译
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