幽门螺旋杆菌三联用药:【初一英语2个改错】

来源:百度文库 编辑:高校问答 时间:2024/05/07 06:26:56
1.He has nothing doing at all.
2.I think everything are very important.

1.He has nothing (to do) at all.
2.I think everything (is) very important.

1.He has nothing doing at all.
He has nothing to do at all.

2.I think everything are very important.
I think everything is very important

doing--to do

are--is