Fog harversting could provide water for arid cities
By Victoria Gill
...
Fog harversting could provide water for arid cities
By Victoria Gill
...
Fog harversting could provide water for arid cities
By Victoria Gill
...
Consider the statements below:
I. The plural of the word beauty (l.40) follows the same rule that explains the formation of the plural form displays (l.24).
II. The plural of crisis (l.05) is made by dropping is and adding es.
III. The rule that explains the formation of values (l.30) and pages (l.13) is the same.
Which ones are correct?
Analyse the statements below, considering the context of occurrence in the text.
I. Considering the grammatical context, the expression have always had (l.01) should be translated to sempre tiveram.
II. The phrasal verb went on (l.29) has the same meaning as the expression took place.
III. The verb persuading is in the ing form due to the presence of the preposition at (l.24).
Which ones are correct?
Choose the alternative that best completes the blanks in the text, following 1 to 4 order. 
If we add the prefix -UN to some words in English, we can get the opposite of that word, like in unwanted (l. 29). In this sense, consider the following words and analyze them:
I. able.
II. happy.
III. fair.
IV. acceptable.
Which of them can be an opposite just by adding the prefix -UN?
