The Complex of Hue Monuments was the first site in Viet Nam  .............  to the World Heritage List.

It's important that she ________to take her medicine twice a day.

I saw him hiding something in a __________bag.

It is imperative that the world _    to find a solution to global warming.

The launching of the Soviet Sputnik in 1957 _______ a subsequent space race with the US.

You need proper shoes to go hiking in the mountain, _________ the ground is rough and hard.

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
(10).....................

The accident  .......   was the mistake of the driver.

Her ……... language is Korean.

The problems would be solved if the government _    some measures.

Everyone has their …….. which are hardly recognized by themselves. 

Renoir is one of the most popular French impressionist painters ............ . His paintings masterpieces all over the world.

............. research team is an effective way to prepare for class preparation of social studies such as history, geography, literature and economics.

Children shouldn’t be allowed ____ time ____ computer games.

The jeans are too long; you should have them__________.

Goods are …. as long as they are returned in good condition.

Mai failed _    the first prize in the contest.

My mother said that she would rather  ............. to Hoi An than Nha Trang.

Identify the error in each sentence: 

The purpose of the United Nations, broad speaking, is to maintain peace and security and to encourage respect for human rights.

Identify the error in each sentence: Harvard University (A) was established (B) just after sixteen years (C) the Pilgrims arrived (D)

Identify the error in each sentence: If we (A) have time (B) in the weekend, we (C) will come (D) to see you.