28. Obama’s African father returned Kenya when he was 2, ______him ______by his white, Kansas-born mother in Hawaii.
A．leaving, to be raised B．left, to be raised
C．leaving, raising D．left, raised
29. —You're going to publish my book. Are you serious?
—______ . It's to be published next month.
A. No, I am not B. No, I was just joking
C. Yes, I do D. Yes, I have never been more serious
30. ---More often than not, things go _____in our daily life.
--That’s why we should value the situations on both side.
A．to the opposite B．the other way around
C．round the corner D．from our wish
