Sắp xếp câu

sắp xếp câu 1 robots/too/in/use/future?/much/will/electricity/the
2 to/voice/recognize/a/smartphones/be/able/will
3 helping /us/education, /and/our/in/are/house/lot/industry/the/robots/in/a
4 people/because/we/be/things/bad/do/must/careful/to/may/use/some/robots