Read the passage and fill in each blank with the correct form of the verb in the box

----- Nội dung dịch tự động từ ảnh -----
.........
IV. Read the passage and fill in each blank with the correct form of
the verb in the box.
spend- be-give-agree-send-buy-observe
celebrate - show
In 1914, President Woodrow Wilson and Congress (1)
that the second Sunday in May should be (2)
as Mother's Day in America. On that day, children (3)
their mothers flowers, presents and cards to (4)
their love to their mothers. Today, millions of
Mother's Day in this way. More than 150
every year. It is
Americans (5)
million Mother's Day greeting cards (6)
also one of the busiest days of the year for the flower industry.
Americans (7)
millions of dollars to buy Mother's Day