—You were out when I dropped in at your house yesterday.—Oh, I________ for a friend from Beijing at the railway station.
I agree with most of what you said, but I don’t agree with ______.
Is ________ man’s ability to reason that sets him apart from other animals?
--- Can I help you ? --- I’d like to buy a present for my best friend, _______at proper price but of great use.
I found ______ possible to answer all the questions within the given time.
——Have you any money on you? I need some badly. ——Sorry, but ______ at all .