Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 44 to 50.

Rome is the capital of Italy. This sprawling modern city has many ancient monuments. Rome’s history goes back more than 2,500 years. Because of its age, Rome is often called the Eternal City. Rome’s many art treasures and historic buildings make the city an important center of European culture.

In ancient times, Rome was the center of a mighty Roman empire. The empire lasted nearly 500 years, into the ad 400s. Roman armies conquered the lands that are now Italy, Greece, Great Britain, France, and Egypt. The Romans built many roads from Rome to distant parts of their empire. This network of roads led to a saying that “All roads lead to Rome.” The Roman Empire’s influence is still present. The Romans spread their language, Latin, throughout Europe. Latin is the basis for Italian, French, Spanish, and other European languages.

The ancient Romans were great builders. Several of their buildings still stand today. They are among Rome’s famous landmarks.The Pantheon is a temple dedicated to the many Roman gods of mythology. The Roman Colosseum is a four-story amphitheater. An amphitheater is like a football stadium. The Colosseum is where Roman citizens once watched gladiators fight to the death. The Roman Forum was the political center of ancient Rome. The senate building and law courts were there, along with shops and religious buildings.

Many artists painted in Rome. The most famous of them is Michelangelo. He lived 500 years ago. Thousands of people visit Rome each year to see his art. Visitors to the Vatican stare in wonder at the beautiful murals that Michelangelo painted on the ceiling of the Sistine Chapel. The murals show scenes from the first book of the Bible, the Book of Genesis.

Vatican City is the headquarters of the Roman Catholic Church. The pope lives at the Vatican. He is the head of the Catholic Church. There are more than a billion Catholics worldwide, making Roman Catholicism the largest Christian religion. Vatican City is an independent country within Rome. It is the smallest country in the world.
Question:Rome is made an important center of European culture ______.

A. by the country of Italy

B. with its long history

C. by its art treasures and historic buildings

D. for its many ancient monuments

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The trainers encourage the animals ______, but the elephants make their own songs; they don’t just copy their trainers or other people.

A. to play

B. play

C. playing

D. that play

Choose A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

All nations have to make fundamental changes in their economic, political, and the technological institutions if they are to preserve environment.

A. have to make

B. changes in 

C. the technological institutions

D. to preserve

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Despite a lot of concerns, sending people into space seems certain; we ______ see lunar cities and maybe even new human cultures on other planets.

A. can

B. will

C. must

D. may