Mr. Green has two sons, one of _____ working as a bus driver now.
I was glad to meet Jenny again,__________ I didn't want to spend all day with her.
__________ he promised that he wouldn't be late, he didn't arrive until the end of the party.
Jerry has promised to keep the secret, so he won't tell anyone __________ asked to.
Playing on a frozen sports field sounds like a lot of fun. Isn't it rather risky,__________?
Hot __________ the night air was, we slept deeply because we were so tired after the long journey.