题目内容
It is one of the important problems ________ tomorrow.
- A.to solve
- B.to be solved
- C.solved
- D.solving
B
句尾提示词tomorrow,表示将来,要用不定式结构,又逻辑主语是problems,所以要用被动语态。
句尾提示词tomorrow,表示将来,要用不定式结构,又逻辑主语是problems,所以要用被动语态。
练习册系列答案
相关题目