我一直在敲门，我想没人在里面。

I don 't think anybody' s in.

youdao

我一直在敲门，我想没人在里面。

I have been knocking. I don 't think anybody' s in.

youdao

我一直在敲门。我想屋里没有人。

I've been knocking. I don't think anybody's in.

youdao

我一直在敲门。我想屋里没有人。

I've been knocking. I don't think anybody's in.

youdao