Giải giúp mình nhé! Cảm ơn

1. Reorder the words to make correct sentences. 1. The/is/a/bike/ solowheel/ mono-wheel/. 2. 2050. /use/ until/ People/cars/ won't/ flying/ year/ the 3. pollution/places/ will/have/ a/ Overcrowded/ of/ problems. / lot 4. healthcare/ healthier,/ helps/people/ stay/ and/ longer./live/ Go ...