Complete the sentence by filling in the blank with the correct tenses from the given choices by indicating your option.
Last night the radio said that the volcano. Etna, in Sicily_________.
has to erupt
Last night the radio said that the volcano. Etna, in Sicily is erupting.
'Be going to' can express the idea of a general prediction about the future. Predictions are guesses about what might happen in the future. Therefore 'erupts' uses correct tense in terms of prediction.