If you said of, you can learn something today! After a superlative like biggest, tallest, most famous, and so on, we use in if we’re talking about the relationship of an object to a place.
So it’s the biggest building in the world, the best restaurant in the country, the first Internet cafe in Nepal, etc.). If you’re talking about the relationship of something with other items of the same sort, you use of, so it’s the most beautiful of the royal palaces I have seen, the best of the lot, the most interesting of his books on China, etc.
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Many Dutch people are led astray here by the fact that the equivalent verb in Dutch takes met (‘with’). However, the correct preposition to use with verbs like increase, rise, grow, reduce, cut, slash, lower, fall, decline, extend, lengthen or shorten to indicate ‘how much’ is by:
The English abbreviation of number is no., and the plural is nos. Do not use nr. – this is the English abbreviation of near.
In almost all words in English whose spelling ends in -mb, the b is not actually pronounced. So all these words are pronounced without the b: bomb (rhymes with from), lamb (rhymes with ham), thumb and dumb (rhyme with gum), climb (rhymes with time), womb and tomb (rhyme with room), and limb (rhymes with Jim).
Perspectives are not ‘future opportunities’, but ‘ways of looking at things’:
Her office is beside (= next to) mine.
Don’t make the common spelling mistake of writing exciting without its -c-. If you do, you’ll end up with the totally different word exiting (pronounced EGG-zitting). This is a form of the verb to exit ‘to leave’.
Be careful not to give something your approval when you don’t mean to. In English, good always expresses a favourable or positive judgement.
These two expressions look very similar, but it’s important not to confuse them, because their meanings are quite different.