A sentence/a part of the sentence is underlined. Five alternatives are given to the underlined part which will improve the meaning of the sentence. Choose the correct alternative. In case no improvement is needed, click the option corresponding to "No improvement.”
Solar-powered trains are propelled by energy from solar panels placed on but near railway tracks.
1
on and near
2
at or near
3
on or near
4
on but
5
No improvement