—Mike didn’t go back to his hometown last year, he? —No, he . A. didn’t; did B. did; did C. did; didn’t
—Look! The lights in the teachers’ office are still on. Is Mr. Li working? —No. It _______ be Mr. Li. I saw him leave just now.
Dr. Green says that these children may find _______hard to think for themselves when they are older.
He didn’t tell me _______.
Usually he writes in ink and writes _______ his left hand.
It’s said that more than 100 _________ will attend this meeting in Shanghai.