A、The freezing weather in Brazil. B、The impact of global warming. C、The increased coffee consumption. D、The fluctuation of coffe

Vaukin de Silva is a Brazilian Who lives and works in New York. Brazil’s most important product is coffee and coffee is Ukin’s business. He works for an international coffee institute. (19) It represents Brazil and several other countries that export coffee. The institute wants more people to drink more coffee. That hasn’t been easy to do for the last few months.
     (20) A period of freezing weather destroyed a large part of Brazil’s coffee crop. As a result, there has been a shortage of coffee throughout the world. The shortage has caused prices to go very high. Many people are talking about giving up coffee until the prices come down again. All the countries that are represented in the institute want people to continue drinking coffee. They spend a lot of time explaining the recent rise in price to newspaper reporters. They want the public to understand the reason for the shortage. Among the goal, Vaukin was put in charge of an advertising campaign. The campaign will try to encourage people to keep on blinking coffee.
    Sometimes, Vaukin misses the beaches and tropical weather in Rio de Janeiro, but he likes the life in New York. (21) He is young, only 27 yearsold, and he is a good-looking bachelor. There are a lot of women to meet in New York and a lot of places to go with them. When he misses home, there are several Brazilian restaurants where he can go and speak Portuguese, his native language. (22) The last few weeks, however, he’s been too busy to think about anything except coffee prices and his advertising campaign.
19. What does the passage say about the international coffee institute?
20. What cause the recent shortage of coffee throughout the world?
21. What do we learn about Vaukin de Silver?
22. What has occupied Vaukin’s mind for the last few weeks?