I. 用must或have to的否定形式完成句子。
1. Whateveryou do, you_____touch that switch. It's dangerous.
2. Thereis a lift in the building, so he ______ climb the stairs.
3. You_____ be a good player to enjoy a game of tennis.
4. I_____ eat too much. I'm supposed to be on a diet.
II. 用must/must have/can't/can't have填空。
1. Thatrestaurant_____be very good. It is always empty.
2. Youare going on holiday next week. You _____ be looking forward to it.
3. Theygot here very quickly. They _______ walked very fast.
4. Donpassed the exam without studying for it. The exam _____ been very difficult.
1. 当时是红灯,车却没有停。司机当时肯定没看见红灯。
2. 我半夜被噪音吵醒了。隔壁邻居昨晚肯定开派对了。