---Is Michael a man with good manners?---I don’t think so. As a matter of fact, he is ______but polite.
_____ was known to all , Willian had broken his promise ______ he would give us a rise.
John knocked at the door for nearly five minutes____his wife opened it.
---The thread of my kite broke and it flew away. ---I told you it would easily break_____was the weakest.
They were surprised that a child could work out the problem____they themselves couldn't.
.I had been puzzled over the problem for over an hour without any result, _____ all at once thesolution flashed across my mind.