4 * Choose the correct item.
1 The robot uses its antenna to connect with/on
the Internet.
2 New voice recognition software can identify
you with/by the tone of your voice.
3 Hi-tech robots can now work by/as receptionists
or maids.
4 The girl had a smile on/to her face after the
robot told a joke.
5 Some modern robots look almost exactly like/as
human beings!
6 Pepper the robot talks in/to people and makes them feel better.
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