The librarian promised to get the book for me ____she could remember who last borrowed it.
My schedule is very ___ right now, but I’ll try to fit you in.
It was the boy that ____________ for what the boy had done.
If you___ to see Mary, what would you tell her?
_________, my new friend and I were born on the same day and same year, so we have a lot in common.
In order not to get into trouble, advertisers are increasingly cautious about taking out ads_______children.