gusses what i have got a for my term paper great you ___read widely and put a lot of work into ita must b should c must have d should have 选什么为什么考察什么语法
问题描述：
gusses what i have got a for my term paper great you ___read widely and put a lot of work into it
a must b should c must have d should have
选什么
为什么
考察什么语法
答
选C。
翻译一下这个句子，假如我学期考试获得了A，你一定广泛的阅读了并且下了很大的功夫。
考察完成时。
答
本句强调“猜测”,对过去某事的把握或确定,所以答案是C