Parallel (4) _______ it are two shorter ridges: the Alpha Ridge on the North American (5) _______

A. to
B. of
C. with
D. by

Conservation, sustainable use and protection of (1) _______ resources including plants, animals, mineral deposits, soils, clean (2) _______, clean air, and fossil fuels such as coal, petroleum, and natural gas.

Other varieties of the game popular in (5) _______ parts of the world have Australian football and Gaelic football.

It is (3)_______ that the word ‘chess’ comes from ‘shah’, the Persian word for ‘king’ and that ‘checkmate’, the game’s winning (4)_______, comes from the phrase ‘shah mat’, (5)______ ‘the king is dead’

At times, it is difficult to tell what sort of greeting (4) ___________ is followed.

Ever since it was first possible to make a real robot, people have been hoping for the invention of a machine that would do all the necessary jobs around the house. If boring and repetitive factory work could be (1) ________ by robots, why not boring and repetitive household chores too? A factor robot (2) ________ one task endlessly until it is reprogrammed to do something else. It doesn’t run the whole factory. A housework robot on the other hand, has to do several different (3) ________ of cleaning and carrying jobs and also has to cope (4) ________ all the different shapes and positions of rooms, furniture, ornaments, cats and dogs. (5) ________, there have been some developments recently.

A factor robot (2) ________ one task endlessly until it is reprogrammed to do something else. It doesn’t run the whole factory.

The director imagines how the film should look and guides the actors and the (4) _______ as they make the movie.

If you (3) _______ you can have a musical experience by imagining the sound of a piece of music, then you think (4) _______ can exist without sound.

The invention of the mobile phone has undoubtedly revolutionized the way people communicate and influenced every aspect of our lives. The issue is whether this technological innovation has done more harm than good. In order to (1)______ the question, we must first turn to the type of consumer. Presumably, most parents buy mobile phones for their teenagers to track their whereabouts and ensure their safety. We can also assume that most teenagers want mobile phones to avoid missing out (2)______ social contact. In this context, the advantages are clear. However, we cannot deny the fact that text messages have been used by bullies to intimidate fellow students. There is also (3)______ evidence that texting has affected literacy skills. The ubiquitous use of the mobile phone has, (4)______ question, affected adult consumers, too. What employee, on the way home from work, would be reluctant to answer a call from their boss? Apparently, only 18% of us, according to a recent survey, are willing to switch off our mobile phones once we’ve left the office. Admittedly, mobile phones can be intrusive but there are obvious benefits to possessing one. Personally speaking, they are invaluable when it comes to making social or business arrangements at short (5)______. According to a recent survey, they also provide their owners with a sense of security in emergency situations. In conclusion, mobile phones do have their drawbacks, but these are outweighed by the benefits. I would argue that it is not the tool that chooses its purpose, but the user.

This (1)________ many problems, including serious air pollution, lengthy delays, and the greater risk (2) ________ accidents.