во слова в пробелы:
1) do you know about Leader Center’s actions?
2) you know that in Russian Embassy in Afghanistan 7 000 dangerous explosive objects were destroyed?
3) did the rescuers do in Grozny?
4) many tons of humanitarian aid were delivered to various regions of Russia?

1) What's do you know about Leader Center’s actions?

do you know about Leader Center’s actions? 2) Do you know that in Russian Embassy in Afghanistan 7 000 dangerous explosive objects were destroyed?

you know that in Russian Embassy in Afghanistan 7 000 dangerous explosive objects were destroyed? 3) What's did the rescuers do in Grozny?

did the rescuers do in Grozny? 4) Do many tons of huma nitarian aid were delivered to various regions of Russia?

Надеюсь правильно. Если не сложно сделай мой ответ лучшим ;)