这题怎么写，求学霸帮忙，必采纳！
1个回答
展开全部
二
1must have been
2can't have been
3can't have been
4must have been
5can't have been
三
1seen,working
2listenning
3gets
4watching
5go
1must have been
2can't have been
3can't have been
4must have been
5can't have been
三
1seen,working
2listenning
3gets
4watching
5go
本回答由提问者推荐
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
