Although ________ after the Civil War, the American blacks still took no important role in the white Americans except as servants and laborers.
. —She ’s failed her test again.—________. She has been studying very hard.
---When did you see the bird last night?---It was at about ten thirty ______ I got home.
—I’m afraid I can’t afford a ticket to the concert, so I won’t be able to go with you.—Don’t worry. It’s my ________.
—Hi, Li Xiaoxia. What a surprise! Dad _____ you _______ so early. He’s upstairs reading. I’ll just call him.
—Where is Lu Wenjie? —I have no idea.He__________ be in the library.