—The Internet is amazing, isn't it?
—Yes. Just __________ it into a socket and you are instantlyconnected to the rest of the world.
| A．to plug | B．plug |
| C．plugging | D．plugged |
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—The Internet is amazing, isn't it?
—Yes. Just __________ it into a socket and you are instantlyconnected to the rest of the world.
| A．to plug | B．plug |
| C．plugging | D．plugged |
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