Open the brackets.
Tulip Festival
The world’s largest tulip festival (to celebrate)
in Ottawa, May 18. It (to hold) firstly in 1953.
The symbolic tulip (to be) Ottawa’s official
flower. It (to give) to the Canadian people by the
Dutch Royal Family. The Canadians (to help) the royal
family during the Second World War. The tulip (to be)
the symbol of friendship and of spring. Festival-goers
(to enjoy) the beauty of nearly 300,000 tulips in bloom in 30 flower
beds.