Direction: Write the letter of the underlined part that is grammatically incorrect.
Mount Etna in Sicily, (1) Italy has recorded around 150 incidents of eruptions since 1500 BC and is one of the most active volcanoes of the world. In 1669, it erupts (2) again but this time the impact was large (3) and deadly as it ripped apart some forty (4) towns, leaving an estimated 40,000 dead. The volcano was so powerful that it created a 6-mile-long crevice on the surface.
1
2
3
4
Record your answer