题目内容：

what about going to attending his birthday party tomorrow?
that will depend on my work,but it()be a suitable time for me.
a must b should cmight d will

优质解答

what about going to attending his birthday party tomorrow?
that will depend on my work,but it()be a suitable time for me.
选C might

追问：

b为什么不行？表示按经验判断时

追答：

主要是语气，should 和must表示推断的语气都比较肯定，而might的语气则不那么肯定。所以有时候会有个人理解的差异，如果你认为上下文比较肯定，那么should就是很好的答案。