I’m all ____ sea and I’ve no idea how tofix my pencil box.

I think it’s going to be a big problem–Yes, it could be –I wonder ________ we can do about it

What he had said about the incident and done with it _________ our trouble.

Don’t try to cheat the taxman(税务人员); you’ll never ______it.

Is this museum ___________ he wishes tovisit