Read the following advertisement / school announcement and mark the letter A, B, C or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks

Read the following advertisement / school announcement and mark the letter A, B, C or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks
"Dear students,
We are excited to announce that our annual school fair will (1) ___________ on Friday, February 2nd, 2024. The fair will start at 9:00 AM and end at 4:00 PM.
There will be a variety of games, food (2) _________, and performances for everyone to enjoy. We encourage all students to participate and make this event a success.
Please note, (3) ____________ it rain on February 2nd, the fair will be postponed  to the following
_  _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
question 1: A. be celebrated                 B. celebrate             C. have celebrated              D. celebrating
question 2: A. riots                                B. supplies               C. stalls                               D. carts
question 3: A. should                            B. were                     C. had                                 D. If