Though he is a manager of a big company, he makes ______ a rule to have supper with his family every day.
Have you finished you work? Yes, I have finished it. I finished it 1 hour ago.
He has been back .
一_________has your grandpa lived here? 一Since last year.
—What good weather! Let’s go boating on the lake. —__________.
--Could you tell me ___________? –I don't know. Maybe at 8:00pm.