Rearrange these sentences (1.5 pts)
1. If/ save/ use/ we/ less/gas/, we/ energy/ will
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2. In the year 2030,/ for/ be able to do all/ housework/us./ robots/will/the
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3. went/with/ his/yesterday/ classmates/ Nam/ camping
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1. If we use less gas, we will save energy. 2. In the year 2030, robots will be able to do all the housework for us. 3. Nam went camping with his classmates yesterday.