Вставьте пожалуйста определённый\неопределённый артикль где это необходимо:
1) I usually eat .... sandwiches or .... humburger.
2) Are there any .... books in the box?
3) Mike is .... engineer.
4) Would you prefer .... apple or .... orange.
5) Clive me .... sheet of .... paper.
6) I met .... man you were talking about over .... telephone yesterday.
7) We studied .... history of .... music and .... architecture.
8) At concert Jane was playing .... violin.
9) .... Smiths sent us .... invitation to .... house party they were giving on .... Saturday.