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028 How long does it take—?

EXAMPLES:

How long does it take to get to the station by subway?

How long will it take to build the stadium?

How long did it take you to knit this sweater?

DIALOGUES:

Teacher: Did you finish the assignment I gave you last week?

Student: Sure, no problem.

Teacher: Really, you didn’t think it was difficult?

Student: Actually it was pretty easy.

Teacher: How long did it take you to finish the assignment?

Student: It only took a day. My friend and I did it together so it was easier.