题目内容
He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
A. wouldn't B. shouldn't
C. couldn't D. mustn't
练习册系列答案
相关题目
题目内容
He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
A. wouldn't B. shouldn't
C. couldn't D. mustn't