英语小问题

there are many problems to solve 还是 to be solved 解释一下不定式什么时候用主动什么时候用被动

这句是to be solved

是I solve problems

主动式I have so many problems to solve.
被动式 there are many problems to be solved
温馨提示:答案为网友推荐,仅供参考
相似回答