Water polo was the first team sport added ________ the Olympic program, in 1900.

Today the move away from rigid rules makes it much easier (1) ________ the right way to behave because there are fewer out and out ‘wrongs’. Of course there are still a few situations where inflexible rules (2) ________, although these are mainly concerned with official functions. But nine times out of ten, the way you choose to behave is (3) ________ you, with one very important proviso: that you keep firmly in (4)________ the basis (5)________ etiquette has grown up; in other words, the need always to consider other people's feelings first. 
Some people, for instance, are very informal and outgoing by (6) ________, while others prefer to be more reserved and formal. Younger people tend to be less formal than their parents. Habits can (7) ________ in different parts of the country. Behaviour which may be commonplace in the capital - like arriving later than the stated time - can often be unconventional (8) ________. Just remember the basic rule of consideration for others, and when in doubt, follow the example of those around you. Etiquette is a skill that is easily learned and it brings the benefits of other people's appreciation whenever you (9) ________ in practice. It's a pleasure to spend time with people who are reliably courteous and (10) ________; it's also pleasant to feel that you will always know what to do or say in any circumstances, mundane or extraordinary
(4).....................

The relative size of an insect's wing is much greater than  ...............

As a small boy, he used to ______alone in the house for an hour or two.

We like their …... 

Identify the error in each sentence: The wave lengths (A) of ultraviolet light are shorter than that (B) of visible light but (C) longer than those (D) of X-rays

Choose the best answer among A, B, C or D that best completes each sentence: By the time he arrives everything ………

Defensive players are not allowed to interfere ________ the opponent's movement

Identify the error in each sentence: People consider it rude to point about anyone

His advice, I would never have got the job ................

No sooner had Nam come back home _    .

Choose the correct answer to complete each following sentence by circling A, B, C or D. 

__________from customers is valuable in determining where we need to improve.

His doctor suggested that he _    a rest.

................ the light rain, the baseball game will not be cancelled unless the other team concedes.

 Life here is very _____. 

Identify the error in each sentence: They have so many children that they can’t afford sending them all to university

They enjoy the …. atmosphere here.

Water …. is increasing this summer

To score a goal, players need to learn how to pass in both__________ and horizontal positions.

Choose the best answer:
Dozens of applicants showed up for the vacant position, but only a handful of them were shortlisted for the interview.

I would like to thank my supervisor,________ I would never have finished my work.