Aidez moi pour l'exercices 4 SVP

1)Who are talking to Mike's parents?. 2)Who are they waiting for? 3)What is Mike studiying? 4)What is he doing?     j'espère t'avoir aidé et je suis 100% sûr de mes réponses , je suis bilingue ne t'inquiète pas ;)

1) Who are Mike's parents talking to?
2) Who are they waiting for?
3) What is he studying?
4) What is he doing?