您要查找的是不是：
- He must be joking ,or else he is mad . 他一定是开玩笑，不然他就是疯了。
- He must be joking or else he's mad. 他准是开玩笑; 要不就是疯了.
- He must be joking , or else he is mad . 他一定是开玩笑，不然他就是疯了。
- He must be joking , or else he is mad. 他一定是开玩笑，不然他就是疯了。
- He must be joking, or else he is mad. 他一定是在开玩笑，否则就是疯了。
- It must belong to Karla. He must be happy. You must be joking. 表示肯定的推测.;意为”一定会”;“一定是”;多用于肯定句
- He gets tired easily; he must be out of shape. 他很容易疲倦，一定是身体有毛病。
- Judge by his accent, he must be from the south. 从他的口音判断，他一定是南方人。
- He must be joking. 他一定是在开玩笑。
- It follows then that he must be innocent. 那么可见他一定是无辜的。
- He must be on the wrong side of40 by now. 他现在谅必四十开外了。
- Judging by his accent, he must be from the South. 从他的口音判断，他一定是南方人。
- Brian works overtime and has an evening job; he must be coining it. 布赖恩常常加班，并且晚上还有兼职，他一定在发财了。
- You must be joking! I will give him a wrong number? 你一定在开玩笑！我会给他一个错误的号码?
- He must be getting on for eighty! 他一定快八十了！
- Frightened? You must be joking ! 害怕?你一定是在开玩笑！
- He must be raking in $500 a week. 他一定是一星期赚五百美元。
- Poor thing! He must be feeling awful now. 可怜的人儿！他现在一定不好受。
- His story just doesn't add up he must be lying. 他说的前後不一致--一定撒谎了。
- He must be raking in￡500 a week! 他肯定一个星期挣五百镑！
