■現在完了(2)
[問1]It is 〜years since …
[問2]It is five years since he died.= Five years ( )( ) since he died.
[問3]I lost my pen ,and I don't have it now. = I ( )( ) my pen.
[答5]before (以前に), once(一度),〜times(〜度),often(しばしば)
[問8]Have you ever seen a koala ?(答え方,2通り)
[答8]Yes, I have./ No, I haven't.