—When is National Public Memorial Day(国家公祭日) ? —On December 13th. And it can us of the hard days in the past.
My grandpa is a science teacher and he _______ science.
________ book on the desk is _______ useful one.
The beautiful sight _____ us ______ all our problems .
We both enjoy ___________ to _______.
Thank you very much ________ me.