选词填空。
a an the
(1)My aunt is ____ policewoman .
(2)He is ____ actor .
(3)I want to be _____ teacher in ___ future .
(4)Lucy is ____ new student .
(5)____ boy is me .
(6)We are ____ happy family .
(7)This is ___ apple .
(8)That is ___ good idea !