19) Modern social media is full of people’s selfies. People use various filters to look ______ than they really are, but is it worth it?

20) Psychologists point out that dealing too much with selfies can ruin a person’s self-esteem. We should all stop _______ so many selfies.

21) We _____ to create a false image of ourselves to be loved by others.

22) Do you like oranges? This bright fruit is very popular all over the world. Oranges ________ to the West from Asian countries only in the 15th century.

23) You may be surprised to know that _____ oranges were not in fact orange – they were green.

24) Since that time people _______ to make many things from oranges – from orange juice to tasty marmalade.

How many points did you get?

25) Pavel Yablochkov was a Russian electrical engineer and businessman. He was also the ________ of the Yablochkov candle – a type of electric carbon arc lamp – and the transformer (INVENT)

26) The first public use of a Yablochkov candle took place in Paris
in 1877. The Paris Exposition of 1878 gave Yablochkov a great opportunity to make a spectacular _________ of his candle to the world audience (DEMONSTRATE)