true Qu'est-ce que tu as is what they did or what is the matter and Qu'est qu'il y a does mean what is the matter with you.
Hi, my name is Maria. It's a pleasure to meet you. Where are you from? I'm from Ecuador. Are you a foreign student ? Yes. It's nice to meet you. Bye.
Answer:
17.Ils étaient au Sénégal. ou bien
17.Ils sont au Sénégal.
Explanation: Puisque le temps du verbe n'est pas indiqué les deux phrases sont correctes.
(Since the verb tense is not indicated, both sentences are correct.)
L'ordinateur est sur le bureau
Is the correct answer
Means “The computer is on the desk.”