Поставьте глагол в настоящем простом времени
Many people (to go) to London to see Big Ben
The winter Olympic Games (to take) place every four years
Tourists (to go) to Egypt to see the pyramids

Прости,ошибка там во 2 предложении Take без окончания.

Many people go to London to see Big Ben.The winter Olympic Games take place every four years.Tourists  go to Egypt to see the pyramids.

Many people go to London to see Big BenThe winter Olympic Games take place every four yearsTourists go to Egypt to see the pyramids