Supposing you did have to wait, what about it?
What else have you to do?
You'd have waited fast enough if it was an order to go on leave; that's about all you parsons think about.

_I_ don't know what you can do.

What had he better do, Mallony ?" The Adjutant leaned forward leisurely, surveying Peter coolly.
"Probably he'd better report to the R.T.O., sir," he said.
"Oh, very well.

It won't be any good, though.

Go up to the R.T.O.and ask him what you can do.