19

By the second half of the 15'® century Moscow became the undisputed centre of a unified Russian state. During the reign of the grand prince of Moscow Ivan III, the Kremlin ………………… and it got brick walls more than a mile in length and in some places up to 60 feet (18 metres) high.

ENLARGE

20

In 1534-38 the Kitay-gorod, previously ………………… only by earth banks and palisades, was also surrounded by a brick wall, with 12 towers.

PROTECT

21

The town ………………… and spread outside the walls to form what became known as the Bely Gorod (“White City”) in a semicircle around the Kremlin and Kitay-gorod.

GROW

22

Most people probably know Albert Einstein as the most intelligent person who ever lived. His name ………………… part of many languages when we want to say someone is a genius, as in the phrase, “She’s a real Einstein”.

BECOME

23

In 1999, Time magazine named Einstein as the Person of the Century. No one could have guessed this ………………… when he was at school. He was extremely interested in science but hated the system of learning by heart. He said it destroyed learning and creativity. He had already done many experiments, but failed the entrance exams to a technical college.

HAPPEN

24

He didn’t let this setback stop him. He eventually graduated from university, in 1900, with a degree in physics. Twelve years later he was a university professor and in 1921, he ………………… the Nobel Prize for Physics. He went on to publish over 300 scientific papers.

WIN