Understanding 'How Long' Expressions

What are the two areas 'how long' can refer to?

• Space and volume

• Time and space

• Space and weight

• Time and weight

In the present tense, how would you ask about the duration of a flight from Los Angeles to New York?

• How long is the flight?

• How long does it take to fly?

• How long will it take to fly?

• How long did it take to fly?

What is the correct response to 'How long does it take to fly from Los Angeles to New York?'

• It will take about six hours.

• It takes about six hours.

• It is about six hours.

• It took about six hours.

How would you ask about the duration of a flight in the past tense?

• How long does it take to fly?

• How long is the flight?

• How long did it take to fly?

• How long will it take to fly?

What is the correct response to 'How long did it take to fly from Los Angeles to New York?'

• It will take about six hours.

• It is about six hours.

• It took about six hours.

• It takes about six hours.

How would you ask about the duration of a flight in the future tense?

• How long is the flight?

• How long will it take to fly?

• How long did it take to fly?

• How long does it take to fly?

What is the correct response to 'How long will it take to fly from Los Angeles to New York?'

• It took about six hours.

• It takes about six hours.

• It is about six hours.

• It will take about six hours.

How long does it take to become a doctor according to the practice exercise?

• 20 years

• 15 years

• 10 years

• 5 years

In the practice exercise, how long will it take to finish your homework?

• 60 minutes

• 45 minutes

• 30 minutes

• 15 minutes

According to the practice exercise, how long did it take to complete an MBA?

• 2 years

• 1 year

• 3 years

• 4 years