Complete the questions to a friend. Use you and the present simple or present continuous form of the verbs in brackets.

1) What ............ (listen) to? It sounds like a group that I know.
2) You look worried. What ............ (think) about?
3) ............ (understand) the homework? Can you explain it to me?
4) Are you reading the new Elena Rose book? What ............ (think) of it?

(...)