阅读下面短文，根据短文内容及所给首字母提示，写出所需单词的正确形式。
Are you able to send a letter with pictures and sounds to someone anywhere in the world without putting a
stamp on it? W_______(1) e-mail you can just do that. Using a c_______(2) you can send e-mail quickly and
easily.The post (邮局) is much s_______(3) than e-mail. E-mail can send i________(4) message to the other
side of the world in seconds. E-mail is easy to use and it s________(5) time and money. The differences in
time in different parts of the world do not matter w________(6) you send e-mail.It is twenty-four-hour
service (服务) that you can send e-mail at anytime of the day or n________(7). No one has to be there to
r________(8) e-mail. It d________(9) matter if your friends are in bed when you send an e-mail to them, or
you are seeing a f________(10) at the cinema when they send an e-mail back.

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