1:why are you crying ?
Joe:because my brother has___ (have)an accident,He's__(break)both his legs.
2. Tina: Excuse me,Have you ____ ( stand) in this queue for a long time?
Larry: Yes, i've____ (queue)for almost an hour.
3. Susan: Excuse me. Has someone_ (leave) this bag here?
Wally: I don't know. I've ____ (sit) here all afternoon, but I haven't ____ (not notice) it until now.
thì present perfect simple or continuous