Listening:

measures the ability to understand English as it is spoken in North America.

Structure:

measures the ability to recognize language that is appropriate for standard written English.

Reading:

measures the ability to understand short passages that are similar in topic and style to academic texts used in North American colleges and universities.

Writing:

measures the ability to write in English on an assigned topic.

How long does the test last ?
The test last for about 4 hours.