You _________think you're clever, but that doesn't give you the right to order me about!

---- Did you visit the Big Ben in London?---- No, we ______ it, but we spent too much time shopping.

Mr. Brown, a good friend of mine, __________ us but that he was short of money at the time.

 Never _______ forget the days when _______  together with you．

 We      the postcards yesterday, but it didn’t arrive.