She __________ be here. I saw her come in.

 — I’m thinking of losing weight these days. — Oh, you _______ be mad. You’re only 45 kilograms at the most.

—Are you going to Guilin by plane?—It’s fast but expensive, so I’m not sure. I __________ take a train.

—Mum, must I wash the dishes right now?—No, you ____.

According to the school rules, no student __________ go out of the school after eleven o’clock at night without the teacher’s permission.