Choose the correct answer in each sentence.

Staff members with __________   engagements need not feel obliged to attend next week's field trip.

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.
(44)..............................

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

The council has spent an enormous amount of money on this project.

The ______ of the scheme is to send more than two thousand pairs of used football boots to South Africa.

Choose the letter A, B, C or D to complete the sentences:
An endangered species is an animal or plant that's considered at ….........… of extinction.

 I suppose now I’m 43, I have ______ hope of playing football for England 

Choose the best answer Where are you going to spend your vacation?

– I don’t know yet. Maybe we _____  to Italy next summer.

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: 

“What I’ve got to say to you now is strictly off the record and most certainly not for publication,” said the government staff to the reporter.

A: "I need to stop eating such unhealthy foods."

- B: “___________________.”

The ................. polluted atmosphere in some industrial regions is called “smog”.

It is important for high school students to acquire necessary living skills to live independently.

Choose the best answer among A, B, C or D that best completes each sentence: I’d rather ….. in the field than …… home.

Although apples do not grow during the cold season, apple trees must have a such season in order to flourish.

One moment you say you love me, the next moment you are dating another girl, __________?

Choose the word(s) CLOSEST in meaning to the following word(s). "emission"

 I must remind my students that this grammar point needs …........ 

Choose the best answer

If you understand a matter thoroughly, that means you understand it ____.

A lot of waste from hotels and vehicles is also discharged into the water and air.

Students' motivation for language learning really varies.

Choose the best answer:

They decided ...............  to Japan for their summer holiday. 

Singapore is a ____ example of a smart city, and is constantly evolving its "city brain, "a backbone of technologies is used to help control pollution, monitor traffic, allocate parking, communicate with citizens.