For the exercises in the bottom translate orally by yourself first. Then check the audio pressing the play button. If there is a mistake redo it. Repeat the procedure phrase by phrase.
come over
why not
my pleasure
good idea
lucky
unlucky
to be free
to be busy
TO INVITE
TO ACCEPT
TO REFUSE
TO THANK
TO APOLOGIZE
TO WISH
free
busy
special
common
invitation
suggestion
cool
nice
idea
sorry
but
sure
welcome
really
job
fun
luck
bad luck
so
so much
a lot