Frank left school at 16, he still became a successful writer.
【2012贵州毕节】—Were you at home at 9:00 last night? I called you but nobody answered.—Sorry,I ______ at that time.
【2012贵州毕节】Lucy ______ a student last year, but now she ______ a teacher.
【2012广东】If our government __________________________________ attention to controlling food safety now, our health _____in danger.
【2012广东】Jenny in the kitchen when you called her at 5 o'clock this afternoon.
【2012北京】I ____ Mr. Smith since he moved to Shanghai.