-- I’d like to invite you to a concert this evening.-- Thank you, but _______ I’ll be free I’m not sure at the moment.
The reason _______ he didn’t come was _______he was injured.
My parents _______ have arrived at suppertime but their flight was held up due to the heavy fog.
The manager believes prices will not rise by more than _______ four percent.
—Thank you for joining in our conversation tonight. —_____.
He is a difficult person, for he ___________________ about everything.