题目内容：

（石景山一模）阅读短文，根据短文内容回答问题。

Theatre began with the ancient Greeks. They used to have shows called "plays", which tell a story by people acting out what happened in it. They had big theatres which were outside, and you could have up to 17.000 people come and watch it. These outside theatres were round in shape, with stone seats going down to the centre, when they had the "stage". The Romans also built theatres, and there are several you can visit in England, Greece, Italy and Turkey.

Greek used to have a person to explain the story to the people who were watching, and the actors used to wear pictures on their faces, some with happy faces, some sad.

There were not any theatres in Europe in the Middle Ages, but groups of actors (or players, as they used to be called) travelled around the country putting on shows and singing songs in the towns and in large private houses. Many large houses from this time have a special area in it where the players would do their shows.

In England between 1558 and 1603, the ruler was Queen Elizabeth I. During this time, theatres would be built outside the city walls because some people thought they were not safe places to be and that people caused troubles there. They were usually round, and people would stand up to see the show. Rich people had seats to sit on. People used to eat and drink during the show. They used to shout out to the actors and sometimes throw food at them.

In Elizabethan times, a theatre group had 12 men and one writer in it. Women were not allowed to be in the show, so young boys used to wear dresses and play the female roles.

Theatre in London today is very popular, even if tickets are very expensive. Many American stars want to perform in London, and in the last few years Kevin Spacey, Nicole Kidman and Kathleen Turner have all acted in plays in London's theatres.

1.Who began theatre?

2.Where did actors put on shows in the Middle Ages in Europe?

3.Why were theatres built outside the city walls in Elizabethan times?

4.How many people did a theatre group have in Elizabethan times?

5.What_ is the passage mainly about?