England is rather short of arable land , so it is absolutely dependent upon other countries for her food __________．

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

Sir, you are not allowed to enter the building unless you get our manager’s__.

Lucy had an unusual ______ for learning languages when she was a baby.

Betty has a very tight _____ this weekend so she has turned down the dinner invitation.