Have you determined ______ you should buy, an Apple or Nokia cell phone?
How beautifully she sings! I have never heard___.
I’d be___, if you could give me an early reply.
-When are you leaving? -My plane _____ at six.
I need some red ink badly, but there’s _____ at hand.
You can go out _____ you promise to be back before 11 o’clock.