阅读下面材料，在空白处填入适当的内容（1个单词），或括号内单词的正确形式。
In the age of the smart phone, there seems no reason to ask questions about: the weather forecast, a business’s phone number or directions, ______can all be easily found on Google, but very often people______(actual) ask these things by telephoning. Your answer may ______(reply) to with a thank-you e-mail.
This isn’t the first time that great ______(change) have taken place in our manners due to technology. In the late 1870s, when ______telephone was invented, people didn’t know how to greet a caller. Often there ______(be) just silence. Alexander Graham Bell, the inventor, ______ (suggest) that people say “Ahoy”, but finally“Hello” won out,the greeting is now used_____everyday face-to-face communications.
Try to be______ (respect) no matter who you communicate with. Just keep it in mind that ______(polite) never goes out of fashion.