在线名词解释大全
专业、全面、易懂的全领域名词百科
首页
>
语法题目3
>
详细
'm sorry, but I had no alternative. I simply___what I did.
题型：单选题
选项
A.
must do
B.
had to do
C.
ought to have done
D.
have to do
正确答案：B