Choose the right variant (a, b, c or d)
1. Henry Ford’s introduction of the assembly line vastly reduced the time it took.
a) to make a car c) for making car
b) making a car d) a car to make
2. In terms of population, Bangkok, Thailand, is quite a bit … than Barcelona, Spain.
a) as large c) the largest
b) larger d) more large
3. France, where this process …, took an early lead in aluminum production.
a) was developed c) has developed
b) will develop d) were to develop
4. Until 1845, scientists failed to discover a process which … separate aluminum from its various alloys.
a) must c) will
b) could d) ought
5. Mr Williamson … the firm soon whether or not he voluntarily turns in his resignation.
a) has left c) is to be left
b) are leaving d) will be leaving
6. … he got the best grade on the quiz surprised everyone.
a) what c) if
b) that d) when
7. That experiment demonstrates that people have trouble …more than seven digits in sequence.
a) recalled c) recalling
b) being recalled d) having recalled
8. They stated that the book … especially for the computer professional.
a) will design c) had designed
b) was designed d) would design
9. That company’s electric cars … to be virtually trouble-free.
a) report c) reports
b) are reporting d) are reported
10. It is essential that she … us beforehand.
a) is calling c) should call
b) will call d) was to call
11. . …, ozone levels in the ionosphere appear to have dropped recently.
a) However the reason c) What is the reason
b) It is the reason d) Whatever the reason
12. It is important that this project be adequately capitalized and that strict accounting procedures be applied from the beginning. Otherwise , … .
a) its success will be assured c) there is little hope that it will succeed
b) nothing will go wrong d) there are a number of further measures
13. … was the centre of our planetary system was a difficult concept to grasp in the Middle ages.
a) It was the Sun and not the Earth c) That the Sun and not the Earth
b) Being the Sun and not the Earth d) The Sun and not the Earth
14. There are four main pieces of information on a bar code, … .
a) while the second group of five numbers represents the product and the package size
b) for example, each manufacturer has a unique five-digit code
c) and next comes the manufacturer’s or supplier’s code
d) the first being two numbers that represent the country where the product was registered
15. The number of Internet buyers in Latin America is growing fast, … .
a) while Europeans show some resistance to electronic commerce
b) yet, you can always find products on the Internet which are hard to find elsewhere
c) though one in four households has a computer
d) however, there are many advantages to buying on the Internet
16. It is not until exhaustive tests carried out by the Food and Drug Administration, …
a) that a new drug is allowed on the market
b) is a new drug allowed to be put on the market
c) there is a new drug placed on the market
d) a new drug is allowed on the market
17 The project faced a whole series of difficulties, ranging from inadequate funding to unsuitable working premises. Yet, despite all of this… .
a) their the organizers decided to abandon the plan
b) it proved to be a great success
c) it was a complete failure
d) the difficulties proved impossible to overcome
18. Scientists know that the huge Hola crater in Arizona was made by a meteorite, but do not know exactly … .
a) when did the meteorite hit the earth
b) when the meteorite hit the earth
c) when the meteorite the earth hit
d) when did the earth hit the meteorite
19. For centuries, until the first astronauts reached the moon, men speculated as to… .
a) what did the satellite’s other side look like
b) what the satellite’s other side look like
c) what looked like the satellite’s other side
d) what like the satellite’s other side looked
20. While dozens of popular authors claimed to be experts on the subject, … .
a) there were many other such authors
b) some of the authors were not really so popular
c) none had studied it in a systematic way
d) there being no experts on other subjects