Patience is an important ____ of a happy and rewarding life. After all, some things are worth waiting for. 

I dropped ________ and it wetted the carpet in the sitting room．

There being no witness on the spot, the police were delayed by the ________of information about the crime. 

---- I heard you bought a new flat, didn’t you? ---- Yes.We can get a wonderful ______ from our front room.

When I arrived in this country, I had to start learning the language from _____.