题目

计算：； 答案：，从方框中选用合适的动词并用其适当时态填空。quarrel    clean      hold      find     fly1. David is a polite student. He never ____________ with others. 2. ---Where is Jack?---He ____________ the floor in the classroom.3. --- ____________ the police ____________ out who stole the money? --- No, not yet. But they are busy doing it.4. We ____________ a party to celebrate Christmas next Sunday, shan’t we?5. His uncle often ____________ to Beijing in the past.