题目内容：
1. When you need to answer a phone call during a performance, you should______________.2. Putting your mobile phone on a restaurant table may make your friends think___________.
3. When you are calling in a noisy area, you are advised to ___________________________
4. The author implies that the use of mobile phones in such places as ______should be discouraged.
5.The sensitive device microphones could allow you_________________on a regular phone.
参考答案：