—Can you go for a picnic with us tomorrow? —I’m sorry I can’t. I do my homework.A. have to B. has to C. has
【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.
【2012北京】—May I speak to the headmaster? —He ____ a meeting now. Can I take a message?