|
How long does it usually take to get a response? How long have you lived in this city? How long is the warranty valid for? How long does it take to charge the battery? How long will it take to finish this project? How long is the wait for a table at the restaurant? How long does it take to recover from the flu? How long have you been waiting for the bus? How long does it take to walk to the train station? How long does it take to learn a new language? | 
楼主
