Mr. Li is gaining _______. He has to do some exercises to lose _______. 

Walking down the street, she noticed a long _____ of houses, all exactly alike.

It was with great delight that I read in your February _____ the letter to the Editor written by Prof. Johnson.

The workmen made so much _____ that Mrs. Walker had to spend three days cleaning up afterwards.

You’d better put the milk in the fridge, which has a _______ to go bad in hot weather.

The Browns stood staring at the happy _______ of children playing in the park.

There are a number of words in the English language that were French in ______. 

Mary was praised by the headmaster in public and on that _______ she was simply proud.

The law that farmers don’t need to turn over agricultural tax to the state has come into _______. 

. Although I liked the appearance of the house, what really made me decide to buy it was the beautiful _______ from the window.

. Although Miss Black began her _______ by singing in a local pop group, she is now a famous singer in the world.

No one has yet succeeded in explaining the ___ of how life began.

Smoking is one of the ______ of heart disease and it kills lots of people every year.

. It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.

. The rocks are very big with _____ of colors on them.

. Probability is the mathematical study of the _____ of an event’s occurrence.

. New mineral resources may be discovered during the forthcoming Antarctic _____.

The government’s strong action demonstrated its _____ to crush the rebellion.

The boy slipped out of the room and headed for the swimming pool without his parents’ _____.

It was a great _____ for him to be pleasant to people he didn’t like.