John started learning French in 2021

helpp a  ( present perfect or past simple tense )
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4. John started learning French in 2021.
John has ......
....... 2021.
5. It's ages since I last went to the circus.
...... ages.
6. This is the first time I've eaten octopus.
..... octopus before.
7. The last time it rained here was a fortnight ago,
a fortnight.
........... here?
8. How long have you lived here?
When........
9. They haven't gone out with each other for two years.
The last time.......
10. I've never met such an intelligent student as Bill.
Bill.....
met.
ago.