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 questionsMost Americans look forward to their vacation. Most American employees receive an annual vacation with pay, and it is traditional to use this time off for travel.Travelling within the United States is very popular because foreign travel generally takes more time and money. Every year about thirteen million people travel abroad. The most popular periods are ...

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

Most Americans look forward to their vacation. Most American employees receive an annual vacation with pay, and it is traditional to use this time off for travel.

Travelling within the United States is very popular because foreign travel generally takes more time and money. Every year about thirteen million people travel abroad. The most popular periods are during the summer and the two-week school break on Christmas and New Year holidays. These periods are also the most crowded and the most expensive time to travel, so people who can adjust their schedules sometimes choose to travel in the autumn.

American tourists often travel by car. Most families own a car, and those who do not have a car can rent one. Cars are usually the most economical way to travel, especially for families. It is also fairly fast and convenient. Exellent highway with motels and restaurants nearby connect the nation’s major cities. They enable tourists to travel at a speed of 55 to 66 miles an hour. Tourists that want to travel faster often fly to their destination and then rent a car when they get there.

The word “It” in line 8 refers to ______.