Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

Why do people like to chew gum? Some people say they like the taste. (46) ________say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a mixture of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum (47) ________of chicle.

Gum must be soft so that you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company (48) ________the flavor.

Thomas Adams made the first gum from chicle in 1836. However, chewing gum was not new. The Greeks chewed gum from a tree (49) ________2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

People first made bubble gum in 1928. Children like to (50) ________bubble with bubble gum. Some university students do too.

Điền vào câu 47

A. aside

B. apart

C. inside

D. instead

Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

Why do people like to chew gum? Some people say they like the taste. (46) ________say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a mixture of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum (47) ________of chicle.

Gum must be soft so that you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company (48) ________the flavor.

Thomas Adams made the first gum from chicle in 1836. However, chewing gum was not new. The Greeks chewed gum from a tree (49) ________2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

People first made bubble gum in 1928. Children like to (50) ________bubble with bubble gum. Some university students do too.

Điền vào câu 50

A. turn

B. set

C. pass

D. blow

Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

Why do people like to chew gum? Some people say they like the taste. (46) ________say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a mixture of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum (47) ________of chicle.

Gum must be soft so that you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company (48) ________the flavor.

Thomas Adams made the first gum from chicle in 1836. However, chewing gum was not new. The Greeks chewed gum from a tree (49) ________2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

People first made bubble gum in 1928. Children like to (50) ________bubble with bubble gum. Some university students do too.

Điền vào câu 49

A. more

B. over

B. over

D. than

Read the following passage and mark the letter A, B, C, or D to indicate the best option for each of the blanks.

Why do people like to chew gum? Some people say they like the taste. (46) ________say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a mixture of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum (47) ________of chicle.

Gum must be soft so that you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company (48) ________the flavor.

Thomas Adams made the first gum from chicle in 1836. However, chewing gum was not new. The Greeks chewed gum from a tree (49) ________2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

People first made bubble gum in 1928. Children like to (50) ________bubble with bubble gum. Some university students do too.

Điền vào câu 48

A. more

B. over

C. above

D. than

Read the following passage and mark the letter A, B, C or D to indicate the best option for each of the blanks.

     Why do people like to chew gum? Some people say they like the taste. ____24____ say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a ____25____ of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum instead of chicle.

Gum must be soft ____26____ you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company adds the flavor.

Thomas Adams made the first gum from chicle in 1836. ____27____, chewing gum was not new. The Greeks chewed gum from a tree over 2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

 People first made bubble gum in 1928. Children like to ____28____ bubble with bubble gum. Some university students do too

Điền câu 26

A. so that

B. then

C. for

D. that

Read the following passage and mark the letter A, B, C or D to indicate the best option for each of the blanks.

     Why do people like to chew gum? Some people say they like the taste. ____24____ say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a ____25____ of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum instead of chicle.

Gum must be soft ____26____ you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company adds the flavor.

Thomas Adams made the first gum from chicle in 1836. ____27____, chewing gum was not new. The Greeks chewed gum from a tree over 2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

 People first made bubble gum in 1928. Children like to ____28____ bubble with bubble gum. Some university students do too

Điền câu 28

A. turn

B. set

C. pass

D. blow

Read the following passage and mark the letter A, B, C or D to indicate the best option for each of the blanks.

     Why do people like to chew gum? Some people say they like the taste. ____24____ say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a ____25____ of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum instead of chicle.

Gum must be soft ____26____ you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company adds the flavor.

Thomas Adams made the first gum from chicle in 1836. ____27____, chewing gum was not new. The Greeks chewed gum from a tree over 2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

 People first made bubble gum in 1928. Children like to ____28____ bubble with bubble gum. Some university students do too

Điền câu 25

A. mixture

B. roll

C. fix

D. connection

Read the following passage and mark the letter A, B, C or D to indicate the best option for each of the blanks.

     Why do people like to chew gum? Some people say they like the taste. ____24____ say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a ____25____ of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum instead of chicle.

Gum must be soft ____26____ you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company adds the flavor.

Thomas Adams made the first gum from chicle in 1836. ____27____, chewing gum was not new. The Greeks chewed gum from a tree over 2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

 People first made bubble gum in 1928. Children like to ____28____ bubble with bubble gum. Some university students do too

Điền câu 24

A. The other

B. Others

C. The others

D. Other

Read the following passage and mark the letter A, B, C or D to indicate the best option for each of the blanks.

     Why do people like to chew gum? Some people say they like the taste. ____24____ say they can think better if they chew gum. Some people chew it when they have some boring work to do. Others chew gum when they are nervous.

Gum is a ____25____ of things. For many years gum companies made gum from chicle. Chicle is a natural gum from a tree in Mexico and Central America. Now companies use plastic and rubber made from petroleum instead of chicle.

Gum must be soft ____26____ you can chew it. A softener keeps it soft. The gum company makes the softener from vegetable oil. A sweetener makes the gum sweet. The sweetener is usually sugar. Then the company adds the flavor.

Thomas Adams made the first gum from chicle in 1836. ____27____, chewing gum was not new. The Greeks chewed gum from a tree over 2,000 years ago. Mayan Indians in Mexico chewed chicle. Indians in the Northeastern United States taught Europeans to chew gum from a tree there.

 People first made bubble gum in 1928. Children like to ____28____ bubble with bubble gum. Some university students do too

Điền câu 27

A. However

B. More

C. But

D. Though