I want to be very careful to talk only about ____ we’ve formally tested.

You were stupid to try climbing up there. You ______yourself.

I want to know ______ you will be backbefore 8:00 tomorrow morning.

Why ask me to take that early bus?— Because that bus _______ the 9:30 train at Boston .

下列选项中，加点字的注音全部正确的一项是（ ）