胺碘酮的作用及副作用:【初一英语2个改错】

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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