Choose the best answer among A, B, c or D that best completes sentence: Biologists still have ____ real idea how many  species of living things exist on Earth.

Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions:

Unless the two signatures are identical, the bank won’t honor the check.

Choose the best answer:

He fell off his bike, and he’s been in bad ................. for several days now. 

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the best option for each of the blanks.
People’s fingernails and toenails, according to a recent study, are nowadays growing more quickly. Research (35) _____ out at the University of North Carolina indicates that the speed at which human nails are growing has increased by (36) _____ 25 per cent over the last 70 years. The results of the study show that the (37)_____ human fingernail now grows about 3.5 mm a month, (38) _____ just 3 mm seven decades ago. Toenail growth, (39) _____ only about 2 mm per month, was also up on the figure (40) _____ in a similar survey done 70 years ago. Researchers (41) _____ the rapid increase down to changes in lifestyle, particularly the greater awareness of the importance of regular exercise and a healthy diet. This, they point out, is in (42) _____with similar trends in the height and weight of present-day adults. Interestingly, it appears that nails have a propensity to grow fastest (43) _____ warmer conditions, with the quickest growth rate among young people, and men. The fastestgrowing nail is on the middle finger while that on the little finger is (44) _____ the slowest, at only a fraction over 3 mm each month.
(43)..............................

The raw sewage needs to be ________ treated.

Choose the best answer:

There is a meeting ............ 9 am and 2 pm.

The use of unleaded petrol has _____ in recent years.

Choose the correct response to each of the following exchanges. "You should not leave the light on when you are away." - "_________"

Life on Earth is disappearing fast and will continue to do so unless urgent action is taken.

Choose the correct answer in each sentence.

----- those in the delivery industry had predicted, Volo-Air's new routes helped boost its quarterly earnings significantly.

All his plans for starting his own business fell ______.

Secondary education is now compulsory nationwide.

Indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

A Baby sea turtles are the most vulnerable when they leave their nests and make their way to the sea

Choose the correct answer to complete the sentence. "Animation involves a wide range ____ technical and artistic skills."

We are going to have a trip to Hanoi. We need to ................ arrangements for the trip carefully.

Choose the letter A, B, C or D to complete the sentences: 
Many additional species are evaluated for possible protection under the ESA, and they …........…called “candidate” species.

Choose the best answer:

You will become ill ....................  you stop working so hard. 

According to some researchers, the emphasis in education in the next few years would be ______ the development of student's computer skills.

To Hoa, her father is the greatest person in the world and he always sets a good _______for her.

Choose the best answer:

Peter’s father ordered ................ not to stay out late again. 

 Choose the best answer among A, B, c or D that best completes sentence:  They have plenty of time, so they needn’t ……..