Complète la phrase par la bonne expression ou le bon modal. 1) You... 2) My brother 3) I..... 4) She ... 5) We.. ........ (do - obligation) do your homework before getting out. (play - possiblity) the piano ; he's really good at it. (talk - interdiction) to you. (stay - authorization) there for 3 more days. .... (learn - obligation) this chapter for the test.​