Question 1: Read and complete the passage with words in the box               
                   $\boxed{ \mathrm{traditonal} \mathrm{includes} \mathrm{preparation} \mathrm{therefore} }$
     Tet is the biggest festival in Vietnam. To celebrate Tet, Vietnamese people make many tasty ............. foods. The most important food ............. Chung cakes, sausage, boiled chicken, spring rolls, and sticky rice. Chung cake needs is made os sticky rice, pork, green beans, and other spices, wrappes in green leaves; ............, this cake needs a lot of ............. This cake can be kept for a long time, even though the weather is often humid during Tet. Other sigificant foods that cannot be missed to worshinp the ancestors are sausages, spring rolls, and sticky rice. Because sausage are difficult to make, people pften buy them from famous suppliers. However, sticky rice and spring rolls are easier to prepare and must be served immediately after they are cooked, so they are often made at home.