Dear Tim, Thanks for your letter. I am very glad to hear that you are fine. I am fine, too. It’s really interesting to know about vacations of America students. You are right. We have fewer vacations than American students. Each year, we just have about four vacations. We have a day off for Independent Day on September 2nd, two days off on April 30th and May Day. Our most important vacations is Tet. Tet holiday often lasts for nine or ten days. Our longest vacation is summer vacation. It lasts for almost three months. We usually spend time with our families. We don’t have vacations for Easter, Thanksgiving and Christmas, but we also celebrate them. Please write and tell me your last summer vacation. Your friend, Hoa. True(T) or false(F)   1,Vietnamese students have more vacations  than American students   2,Vietnamese students have four vacations in a year.   3,Independent Day is the longest vacation in Vietnam    4,Summer vacation is the most important vacation.    Answer the questions   1,Who writes this letter?   2,When is Independent  Day in Vietnam?   3,Do Vietnamese students have a day off on Easter?   4,How long does the Tet holiday last?