遇到下列情况你该怎么说?选择正确的选项。 1. 当你想知道这是什么东西时,应这样说: [ ] A. What's this? B. It's a book. 2. 当你认识了一位新朋友时,你要说: [ ] A. Nice to meet you. B. How are you? 3. 当别人对你说“Good-bye!”时,你应回答: [ ] A. Hi! B. See you later! 4. 对你的身体状况时,如果感觉很好,你应该说: [ ] A. I'm fine, thanks. B. How are you? 5. 当你想知道她的名字时,你要这样问: [ ] A. What's his name? B. What's her name? 6. 当你想问课本在哪里时,你: [ ] A. How many books do you have? B. Where is my book?