根据句意和汉语注释,在横线上,写出单词的正确形式。 |
1. As we know, oil always __________ (漂浮) on water. 2. He __________ (点头) to me in greeting when I entered the room. 3. We are very __________ (自豪) that a pupil from our school has won the prize. 4. They all hurried __________ (往楼上) to see what was going on. 5. There was __________ (沉默) for a moment and then someone made a useful suggestion. |