How long is the stopover on the flight the speaker booked？A．1 hourB．2 hoursC．9 hoursD．10 h

How long is the warranty of the computer？A．2 months.B．1 year.C．2 years.

According to the research by Dove,how long did men spend on DIY each week？A．4.7 hours.B．6.

听力原文：How long did you live in Seattle of the United States？（A) It is a beautiful city

How long is the supper time for the hotel？A．It"s one hour.B．It"s two hours.C．It"s one and

How long will the volunteer spend on math each week if teaching both math and English？A．On

The statute of limitations sets limits on how long you have to take legal action in ______