Someone or something??

To give the perfect presentation, ask .... to watch you practice (someone/something)

I have got ..... to tell you. (something/someone)

It's a good idea to start with .... funny or surpising (something/everything)

Don't do ..... to distract the speaker while they are giving their presentation. (anything/something)

Has... seen my workbook? I cannot find it anywhere. (anyone/someone)

I promise I won't tell .... I will keep your secret! (anyone/someone)

Dont' say ... until the speaker finishes (anything/nothing)

There is .... strange about John (something/anything)

.... was there when I arrived. I was the last to arrive! (everyone/someone)