Choose the correct option

1. Mary looks exhausted. What
   [has she done|has she been doing] all working day?
2. How long
   [have they known|have they been knowing] their history teacher?
3. How many times
   [did Tim visit|has Tim visited] Sidney?
4. Jess
   [has learned|has been learning] Spanish words for hours, but she still doesn't remember all of them.
5. Sorry, we are late.
   [Have you waited|Have you been waiting] for a long time?
6. Friends
   [have played|have been playing] chess for several hours.
7. [Has Nina been studying|Did Nina study] for a long time today?
8. My uncle
   [has never been playing|has never played] curling.
9. Dave
   [hasn't seen|didn't see] his colleagues recently.
10. Melony
    [has been writing|wrote] the report all day, but she
    [hasn't finished|didn't finish] yet.