Chọn từ thích hợp điền vào chỗ trống:

_______ is the existence of a wide variety of plant and animal species living in their natural environment.

________ ! There’s a car coming!

Choose the best answer:

It’s a right .......................!

Choose the best answer:

All the teachers in this language center are ...................

The little boy did nothing but _____ during the party.

No one asked him to donate his money. He did it voluntarily.

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:

My cousin tends to look on the bright side in any circumstance.

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

He drove so fast that I really felt my life was in danger.

Choose the correct answer to each of the following questions. "Elephant poaching costs African millions ____ tourism revenue"

Tom said that                    ​

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions: 

I think we should tell Peter that the location of the picnic has been changed. Let’s put him in the picture.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions: 

Efforts by the government agency to improve its work were hampered by lack of funds.

People depend on species diversity to provide food, clean air and water, and fertile soil for agriculture.

Michael was ............... with anger when he saw his car had been scratched.

Many scientists ................ all their lives to working out answers to problems.

Up until the middle of the 19th century, there were no ..................... and well established anny nursing systems for casualties.

During the boss’s ............... his assistant took over.

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

We decided to pay for the car on the installment plan.

_____________ means the protection of natural environment.

Choose the best answer:

 .................. clothes do you prefer, T-shirt or pullover?

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.
(39)..............................