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

I can't say which wine is better—it's a(n)________of personal taste. 

Of the seven days in a week, Saturday is said to be the most popular ___ for a wedding in some countries. 

Perhaps we need to clear away these books to make ______ for our new students.

.Has the Channel Tunnel improved the _______of goods between the British Isles and mainland Europe?