Choose the best answer

1.solar panels..................outdoors to capture sunlight and transform it into electricity
A.will place    B.will be placing    C.will be placed    D.will have placed 
2.once non-renewable energy sources are used............they are gone forever
A.out    B.up     C.for    D.off
3.people put pumpkin............outside the homes during Halloween
A.lights    B.lanterns    C.neon signs    D.bulbs
4.it is.............. to watch elephants racing in dak lak in the festival
A.amazing    B.amazed    C.amaze    D.amazement