private vehicles will be replaced by more efficient and_______ public transport systems (SUSTAIN)

there will be electric buses, trains, and trams that produce no or low______(EMIT)

the paintings are on display at an_____ which opened on Friday (EXHIBIT)

environmentalists say there is a high risk of____ from the landfill site (POLLUTE)

we are just making the final___for the festival (ARRANGE)

he was a worthy____ of the Nobel Prize (RECEIVE)

his plan does not offer a real___ to the problem (solve)

he'd learned to be___ in his ability to handle anything life threw at him (confide)

the measures should help create jobs and____ the economy (strong)

he made a major____ to peace in the region (contribute)