Fill in the Blanks (Reading & Writing)

Several cities are reviving their tram networks after decades of —abandoningabandonabandonedabandonment them in favour of buses and cars. Modern trams run on electricity, produce no tailpipe emissions and can —carrycarryingcarriescarried more passengers than a standard bus. Building new lines is expensive, but supporters argue the long-term reduction in —traffictrafficstraffickingtrafficked congestion justifies the investment.