Fill in the Blanks: What Child Is This

What ____________________ is this , who , ____________________ to ____________________ ,
On ____________________ ? s lap is ____________________ ?
Whom ____________________ greet with anthems ____________________
While ____________________ watch are keeping ?
This , this is ____________________ the ____________________ ,
Whom ____________________ guard and angels ____________________ ;
Haste , ____________________ to bring Him laud ,
The ____________________ , the ____________________ of Mary !