пожалуйста помогите !!
вставьте слова :
1)Nikita _____ _____ his homework .
2)How long _____ you _____ in film-making .
3)______ you ______ the information for your project.
4)Look!The plane__already__!
5)This rare book ____ ____ in our museum since 1950.
6)I ____ never ____ football.