1. communicate / We / by / with / can / social networks / friends /.
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2. Robots / do / the housework / will / in / 20 / years’ time. / all.
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3. sometimes / the supermarket / My / to / takes / mother / me /.
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4. he / arrives / as soon as /call / His father / him / will / at the airport. /
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5. does / mean / What / “endanger species” / ? /
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6. said / he / liked / Duong / study / the Internet. / at / on / home / to /
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7. will / by / in / done / All / 20 years’ time / be / robots / our housework.
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8. reduce / single-use / We / the consumption of / products / should /. /
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