Хотелось бы прояснить момент. Поставьте в Past Simple или Present Cont. Who is that man?What ________ he _________(Want)? Who is that man?Why ________ he ____________(look) at us?

Глагол в первом случае стоит употребить в Past Simple: Who is that man?What did he want?
Глаголов втором случае следует употребить в Present Cont.: Who is that man?Why is he looking at us?