Complete the following sentences based on the information given in Chinese.1. I've never met my cousin again (自从他离开南京).2. (下学期开始前), you each need to make some preparations for the course.3. (小明刚抵达飞机场), it began to rain.4. We talked (我们打牌时).5. I decided to buy the book (我看到它的那一刻).