Definition: for a long time Level: A2
我只是在写一封信，但不会花很长时间。
I'm just writing a letter but it won't take ___long.
你在芝加哥待了多久了？
How ___long have you been in Chicago?
别着急——想花多长时间就花多长时间。
Don't rush - take as ___long as you like.
