He isn’t a man who knows _____ to deal with people properly, but he does know _____ to do with all kinds of papers in front of him.
---Would you like _________ the Great Wall with us? ---Yes, of course.
--_______ does she chat with friends on the Internet? --Once a week.
---Can I borrow some money? ---Sorry, you __________.
Millie goes to the Reading Club _________ a week.
He goes to work by bus, but he walks___________ after work.