完形填空。先通读下面的短文，掌握其大意，然后在每小题所给的四个选项中，选出可以填入空白处的最佳选项。
SAN FRANCISCO CELEBRATIONS
Some of San Francisco's many celebrations, like the Fourth of July (U.S. Independence Day), are very American; but others 1 that San Francisco is a very international city.
Over 100, 000 people celebrate the Chinese New Year in January or February. There are lion dances, fireworks, and a huge parade 2 the Financial District(地区)and Chinatown. It is the most important festival of the Chinese year, and the largest 3 event in North America.
Tourists4 try to see the Cherry Blossom Festival(樱花节)at the Japan Center in April. This is a celebration of traditional Japanese culture with musicians, dancers, and artists, and a colourful 5.
In early May, there is a Mexican festival called Cinco de Mayo, with a carnival（狂欢节） and lots of special events. And Carnaval San Francisco—a popular Latin American and Caribbean festival with salsa and reggae bands— 6 on the last weekend in May.
On the Fourth of July, there are celebrations and parties all over the city, and everyone enjoys 7 the amazing fireworks over San Francisco Bay.
On the night of 8 , thousands of people in costumes come to Market Street and Castro Street for a huge Halloween party. Many people think this is the most exciting night of the year.
9 at Christmas time, there is a huge Christmas tree in Union Square, and the stores in the square have a competition for the 10 store window.
