Grammar practice 20

Fill in the words written in capitals
in the right form.
 
Alaska flag

Do you know any kids’ inventions? One of them is 13-year-old Bennie Benson from the USA, who designed the state flag of Alaska in 1926. His design (CHOOSE) in a flag-designing contest.
(LATE), in 1959, it became the official flag of Alaska. The blue background is for the sky and the forget-me-not, the state flower. The flag also has the Big Dipper (a symbol of strength) and the North Star (also (CALL) Polaris), which represents Alaska's northern location.
For a prize Bennie (WIN) a $1000 scholarship and a watch.

Camping

This year we decided to go on a camping trip. It was our (ONE) experience. We started (PACK) a month before the trip.
When our neighbor saw the assortment of boxes, bins and gear strapped to our car’s roof rack, she came rushing over. “Oh!” she exclaimed. “I (NOT KNOW) you were leaving! I’m so glad I got to see you before you moved!”