The following paragraph lacks a topic sentence. Read it carefully, then choose the best topic sentence (A, B, C or D) for it.

___________In the United States, students learn that there are seven continents. In Europe, however, students learn that there are six continents. They learn that North America and South America are one continent, which they call the Americas. Panama is the southern end of North America, but it used to be part of Colombia, which is in South America. In some places, Europe and Asia are combined into one continent called Eurasia. In other places, Antarctica is not considered a continent. It is very interesting that different cultures clearly disagree on the definition of a continent and therefore the number of continents on our earth.

The following paragraph lacks a topic sentence. Read it carefully, then choose the best topic sentence (A, B, C or D) for it.

____________First, many schools require two or more years of foreign language study for graduation. Secondly, learning other languages helps us communicate with people from other countries. Also, knowing a foreign language can lead to job opportunities. Finally, for many people, studying foreign languages is fun! There are many reasons to learn a foreign language.

The following paragraph lacks a topic sentence. Read it carefully, then choose the best topic sentence (A, B, C or D) for it.

____________Children who have a cell phone can call for help in an emergency. Also, they can always communicate with their parents. Finally, cell phones help children stay in contact with friends. For these reasons, when possible, children should have a cell phone.

The following paragraph lacks a topic sentence. Read it carefully, then choose the best topic sentence (A, B, C or D) for it.

Walking is the best exercise. First, walking is free, so people don't need to buy a gym membership to do it. Secondly, people can walk wherever they live. Third, studies show that walking outside not only burns calories but also helps a person feel happy and optimistic. ______________

The following paragraph lacks a topic sentence. Read it carefully, then choose the best topic sentence (A, B, C or D) for it.

Families should take a vacation at least once a year. On vacation, families can spend time together without distractions from work and school. Also, during a trip, families can explore new places and activities together, which is fun. Finally, during their time away, families can relax together without the stresses of daily life. ____________

The following paragraph lacks a topic sentence. Read it carefully, then choose the best topic sentence (A, B, C or D) for it.

It is important to study history. History repeats itself, so learning about the past can help us make better decisions in the present. Also, knowing about important historical leaders, wars, and events can help us understand cultures, people, and politics in today's world. Finally, learning about unusual people, places, and events in history is fascinating! ____________

The following paragraph lacks a topic sentence. Read it carefully, then choose the best topic sentence (A, B, C or D) for it.

________________. North Americans send cards for many occasions. They send cards to family and friends on birthdays and holidays. They also send thank-you cards, get well cards, graduation cards, and congratulation cards. It is very common to buy cards in stores and send them through the mail, but turning on the computer and sending cards over the Internet is also popular.

The following paragraph lacks a topic sentence. Read it carefully, then choose the best topic sentence (A, B, C or D) for it.

_____________. Unlike some breeds of dogs, they do not need a lot of exercise every day. Crowds and loud noises do not make them nervous. Also, they do not mind being alone for hours, if you need to be away at work. On top of all this, they are known to be patient and loving with children. If you are a city-dwelling family looking for a pet, I highly recommend this breed of dog.