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Doing business in a foreign country can ........ be very difficult.

While the secretary is on vacation, her deputy will call the_______.

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Would you mind ……. your name on this list?

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

We have abandoned plans to install a revolving security door because our engineers determined that it is_______flawed.

She has decided to take early ………….....

It is relatively easy for computers to speak. A computer that says 'please' and 'thank you' in the right places is (1) ______ miracle of science , but recognizing the words that make up norm al, continuous human speech is another (2)________
Not until now have computer been programmed to (3) _____to a range of spoken commands. Until recently it was thought that computers would have tobe programmed to the accent and speech hahits of each user, and only then would be able to respond (4) _____to their master's or mistress's voice. Now rapid progress is being made (5) ______ systems programmed to adapt easily to each new speaker.
The IBM Tangora system, under development at the end of 1980s was claimed to (6) ______ a spoken vocabulary of 20,000 words with 95 percent accuracy. The system includes a processor that can make informed guesses as to (7) ______ is a likely sentence. That system has been programmed not only with grammatical rules, but also with an analysis of a vast quantity of office correspondence.
On the (8) _______of this information, the machine can calculate the probability of one particular word following another. Statistical probability is necessary for computers to interpret not only speech but also (9) ______ data.
Security systems can distinguish between faces they have been taught to recognize, but never has a computer been able to match a human's ability to make sense of a three-dimensional scene (10) ______ identifying all objects in it.
(10)......................

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

Since employees often have to meet with clients with no prior notice,  Park Interior Design enforces dress code -------- at all times. 

A washing machine of this type will certainly ______ normal domestic use.

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

Director Kawamura's --------- is that those with expertise in the field should be responsible for the final hiring decision. 

The development of open learning, making it possible to study when it is convenient for the students, has increased the opportunities available _______ many people.

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

Current job ……. at Elite Insurance Company have been posted on the internal Web site and on major Internet job-search sites.

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

Employees must return to ____________work stations immediately after the lunch break.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each of pair of sentences in the following questions

Tuition fees were increased. There were many objections from students and parents.

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It is necessary ............ forests.

Choose the best option among A, B, C or D that best completes each sentence: May I _____ Monday for our trip to Dalat?

The sea between Dover and Calais was so  ___ that most of the passengers were seasick.

(John Fitzgerald Kennedy 1917-1963) the 35th us President (1961-1963). He was the country's youngest president and the first Roman Catholic ever ____ (1) ____, He was___(2)____known informally as Jack Kennedy and JFK. His wife was Jackie Kennedy. He won a medal for____(3)____during World War II, and was elected to the us House of Representatives (1947-1953) and then___(4)___ the us Senate (1952-1960).
Kennedy's greatest success___ (5) ___President was in___ (6) ___the Cuban missile crisis and his worst failure was over the Bay of Pigs incident. He worked ____ (7) ____his brother, US Attorney General Robert Kennedy, to support the civil rights___ (8) ___. He was murdered in Dallas, probably by Lee Harvey Oswald, in one of the most shocking events in us history. Some people believe that others were responsible for his murder, but ___ (9) ___has ever been___(10)___proved. Kennedy's book, Profiles in Courage (1956), won a Pulitzer Prize.
"And so, my fellow Americans: ask not what your country can do for you - ask what you can do for your country."
John F Kennedy
(9)........................

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence.

The mail office will soon be able to send out packages more---------- because of the updated processing procedures. 

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I don’t know how …. my thanks to your kindness.

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Despite our ........, we are still good friends.

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His job involves ……. events for her school.