Решите пж а то у с ня не сходится чёто

Question

Решите пж а то у с ня не сходится чёто

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Answer 1

1) have started to collect \ since 1987
2) has been working for 18 years
3) have given\ since 1998
4) have been giving veterans gifts and flowers for 30 years
5) have been helping to clean the lakes since 2009