问几个英语改错题,都只有一处错误1.-He (isn't) (a teacher), (so) is she.-So they (_英语解答

问几个英语改错题,都只有一处错误
1.-He (isn't) (a teacher), (so) is she.
-So they (aren't).
2.He (saw) his dog (that) he bought last year (tying to) the tree.
3.-Jim, what (are you doing)?
-I am (thinking about) (how) to (do with) the rubbish.

人气：477 ℃　时间：2020-03-24 19:32:39

解答

so→nor,neither ((否定用nor,neither ))
tying to→tied to
((过去分词表被动表完成,意思是,已经被绑在树上,用动词非谓语形式,不用being!)
how→what(how to do/what to do with,固定句型))