Test two. use the verbs in brackets in the appropriate forms to complete the text. halley's comet halley's comet is a comet that (1. return) solar system every 76 years. you ever (2. hear) thing about it? it (3. name) tronomer edmond halley who (4. see) halley (5. know). bright lights in the sky before. it (7. happen) 1531 and in 1607, so he (8. do) ics and (9. say) to the any- after the english as- it in 1682. that people (6. see) in a little mathemat- that the space visitor (10. come) back again in 1758. what halley (11. predict) became a scientific fact. halley was also sure that in to the comet and ride the future, men (12. traziel) it around space. in 1986 the comet (13. appear) near the earth again. astronomers from 51 countries looked through their telescopes. they (14. watch) very far away. and sure enough, there it was, right on time.