TOEFL Structure and Written Expression 6 (Longman PBT)

The North Pole __ a latitude of 90

degrees north.

• has

• is having

• which is having

• it has

__ greyhound, can achieve speeds up to

thirty-six miles per hour.

• The

• The fastest

• The fastest dog

• The fastest dog, the

The Mayflower was bound for Virginia, but

a hurricane __ off course.

• blew it

• to blow it

• it blew

• blowing it

The greenhouse effect occurs __ heat

radiating from the Sun.

• when does the Earth’s atmosphere trap

• does the Earths atmosphere trap

• when the Earth’s atmosphere traps

• the Earth's atmosphere traps

The Rose Bowl, __ place on New Year’s Day, is the oldest postseason collegiate football game in the United States.

• takes

• which takes

• it takes

• took

Experiments __ represent a giant step

into the medicine of the future.

• using gene therapy

• use gene therapy

• they use

• gene therapy uses

__ off the Hawaiian coastline are living, others are dead.

• Coral reefs

• Some types of coral reefs

• There are many types of coral reefs

• While some types of coral reefs

People who reverse the letters of words __ to read suffer from dyslexia.

• if they tried

• when trying

• when tried

• if he tries

Featured at the Henry Ford Museum __ of antique cars dating from 1865.

• an exhibit is

• an exhibit

• is an exhibit

• which is an exhibit

Rubber __ from vulcanized silicones with a high molecular weight is difficult to distinguish from natural rubber.

• is produced

• producing

• that produces

• produced