Choose the best answer: 
 ______________ colours like blue and yellow can make people feel happy

Choose the best answer:
As of next week, all workers will be _____ to wear hard hats while operating the forklifts

Choose the best answer:
Each and every student and instructor in this institute _____ for a new facility by next year

Choose the best answer:
I ________ by then.

Choose the best answer: 
........ is an outdoor game.

..................time is it? - It's five o'clock.

Choose the best answer:
She's been getting __________ yoga recently - she does three classes a week

Choose the best answer:
What separates a City of the Future ____ other cities is that it goes beyond just providing basic police, fire, and emergency medical services

Choose the best answer:
 Isolated from the mainland, the Con Dao islands are one of Vietnam’s star (4) _____. Long preserve of political prisoners and undesirables, they now turn heads thanks to their striking natural beauty. Con Son, the (5) _____ of this chain of 15 islands and islets, is ringed with lovely beaches, coral reefs and scenic bays, and remains partially covered (6) _____ tropical forests. In addition to hiking, diving and exploring deserted coastal roads, there are excellent wildlife–watching opportunities, such as the black giant squirrel and endemic bow–fingered gecko. (7) _____ it seems an island paradise, Con Son was once hell on earth for the thousands of prisoners who languished in a dozen jails during French rule and the American–backed regime. Many Vietnamese visitors are former soldiers (8) _____ were imprisoned on the island. Until recently, few foreigners visited Con Dao, but with the commencement of low–cost boat connections this looks sure to change

Choose the best answer:
Hartford & Associates has publicized ------- Mrs. Jane Freeman will be the newest member to their legal team

Choose the best answer:
Over the past 50 years, near-surface air temperatures across Alaska and the Arctic ____ at a rate more than twice as fast as the global average

Choose the best answer:
Mobile phones emit microwave radio emissions. Investigators are questioning whether exposure to these radio waves might (39) _____ to brain cancer. So far, the figures are not final. The precise evidence does not enable us to say in certain that mobile phones are definitely safe. On the other hand, recent research has not yet (40) _____ clear adverse effect associated with the prolonged use of mobile phones. Many studies are now going (41) _____ in numerous countries. Some of the results are contradictory but the others have shown an association between mobile phone use and cancer. However, these studies are preliminary and the issue need further, long – term investigation. (42) _____ the scientific data is more definite, it is advisable for people to try not to use mobile phone for long periods of time. Don’t think that hands free phones are any safer either. At the moment, research is in fact showing the opposite and they may be just as hazardous. It is also thought that young people (43) _____ bodies are still growing may be at particular risk

Choose the best answer:
Robert de Niro began acting in the 1970s. He has been ____ for about 35 years.

Choose the best answer:
A main clause is sometimes called a ……..clause

Choose the best answer:
His doctor suggested that he______a short trip abroad

Choose the letter A, B, C or D to complete the sentences." Hello, Lien. This is Vy and this is Minh. ………… are in ten years old"

Choose the best answer:
Anna: "Hi, I wonder if you could help me.”
                  - Tom: “ _______ ”

Choose the best answer:
In the 1960s, the World Health Organization (WHO) began a campaign to eradicate the mosquitoes that transmit the disease malaria

Choose the best answer:
Martin’s mother is his only _______ relative

Choose the best answer:
He was such a skinny kid that I'm glad to see he's finally filled _________ some

Choose the best answer:
He was useless while using the knife, so he cut _____