1) I had eaten.
2) he had driven .
3)she had ran.
4)it had broken.
5)she had lighten the candle.
It's true that a security device should be installed. The security device to be installed between a computer network and the internet is: A Firewall.
<h3>What is a firewall?</h3>
A firewall refers to a hardware or software which is like a gatekeeper that helps to protect internal networks. It monitors incoming and outgoing traffic.
Thus, we see that firewall is the security device that should be installed.
Learn more about firewall on brainly.com/question/11914227
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The answer is Formal, calm, secure, reassuring