A/an tells us more about a noun or pronoun and must be placed directly before or directly after the noun or pronoun it refers to.

in the spreadsheet, click on a cell, then type the numbers or text you want and press enter or tab. to write data to a new line within a cell, press alt + enter. to enter the same data in several cells at the same time you must select the cells in which you want to enter the same data, in the active cell write the data and press ctrl + enter.

answer: my favorite subject is choir

explanation: it is choir becuase you can sing and have fun singing at the same time with your friends.