题目内容：

语法填空:在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

In the age of the smartphone, there seems no reason to ask questions about: the weather forecast, a business’s phone number or directions, 1.can all be easily found on the Internet, but very often people actually ask these things by 2. (make) a call. Your answer may3.(reply) to with a thank-you email. This isn’t the first time that great changes have taken place in our manners due to technology. In the late 1870s, when the telephone4. (invent), people didn’t know how 5. (greet) a caller. Often there was just silence. Alexander Graham Bell, the inventor,6.(suggest) that people say “Ahoy”, but finally “Hello” went out. Try to be respectful no matter who you communicate with. Just keep it in mind that politeness never 7. (go) out of fashion.