Playing on a frozen sports field sounds like a lot of fun. Isn't it rather risky, ____?
___ smoking here will be fined.
"Where is it?" "Where is ____? I don't know what do you mean?"
_____ seen smoking here will be fined.
He was in great need of money, so he___ $8, 000 for his car.
He was sentenced to death ____ what he has stolen from the bank.