一道英语智力题 -急Write out the missing letters according to the hin

一道英语智力题 -急
Write out the missing letters according to the hints and the givenletters.
(1.) 1.the first letter of alphabet
(2.)( ) 2.I know where it is.
(3.)( )( ) 3.feline pet
(4.)( )( )( ) 4.a friendly talk
(5.)( )( )( ) 5.to give lessons in a subject