Rewrite the following sentences in Reported Speech: 1) "Did he visit the Science Museum?" Mark asked.
2) "You must inform the police about your problem", my friend told me.
3) "Tabloid journalists are calling my house," he said.
4) "I did not say anything to those reporters!" she said.

1) Mark asked if he had visited Science Museum.

2) my friend told me that I should inform the police about my problem.

3) he said that tabloid journalists were calling his house.

4) she said that she hadn’t said anything to those reporters

Объяснение:

there are many reasons why  everyone   should learn a foreign language.

firstly, learning a language of another country helps one understand its culture.    language becomes a peephole to look at the nation’s culture, its traditions and its history. italian film director federico fellini says, "a different language is a different vision of life". 

research has shown that having studied a foreign language one can understand one’s own language better. it deepens the understanding of one’s own culture. general language skills improve after studying foreign languages.

another thing that talks of the importance of foreign language study is touring to foreign countries.

  eventually, knowing a foreign language  opens new job and employment opportunities in many countries and markets and it's grate!

wild elephants have strong family ties. the females and young are social, living in groups under the leadership of an older female or matriarch. adult males are solitary, although they stay in contact with the females over great distances, using sounds well below the range of human hearing. family groups communicate with each other using these low-frequency vibrations. it is an eerie sight to see several groups converging on a waterhole from miles apart, apparently by some prearranged signal, when human observers have heard nothing.  the natural lifespan of an elephant, about 70 years, is comparable to a human's. elephants reach breeding age at about 15 years of age. females generally give birth to one 200-pound baby after a 22-month pregnancy.