Giúp mình làm bài này với: I, Read the text below and think of the word which best fits each gap. Use only one word in each gap.

Exoplanet weather In 1992, radio astronomers Aleksander Wolszczan and Dale Frail (1) their jobs, they (2). search of anomalous sounds. One night, they made a thrilling discovery - the detection of an exoplanet. After confirmation, it was celebrated in the astronomical community as a re ...