A sentence/a part of the sentence is underlined. Four 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.”
The draconian coronavirus lockdowns across the world have lead to sharp drops in carbon emissions.
1
Have leading to
2
Has led to
3
Have led to
4
Have been lead to
5
No improvement