Exercise 3:Read and complete passage with words in the box: Spring ,kept, celebrate, traditional,Because, therefore,served, However. -Tel is the biggest festival in Vietnam to.(1)....................Tet, Vietnamese people make many tasty (2)...........foods. the most important fool includes chung cakes, sausages, boiled chicken, (3)..........rolls, and sticky rice. Chung cake is made of sticky rice, pork, green beans, and other spices, wrapped in green leaves (4)................this cake needs a lot of preparation this cake can be (5)...........for a long time, even though the weather is often humid during Tet. Other significant food that cannot be missed to worship the ancestors are sausages spring rolls, and sticky rice. (6)............. sausages are difficult to make,people often bye them from famous suppliers. (7).............. sticky rice and spring rolls are easier to prepare and must be (8)............. immediately after they are cooked, so they are often made at home.