sentences:  Teff, corn, sorghum, cotton and sesame are important cash crops; the town of Metemma serves as an important trade gateway between Sudan and the Amhara Region.Between November 2000 and June 2002, SUR Construction built three road segments connecting Metemma with Wohni by way of Shehedi, totalling in length 70 kilometers.The economy of Metemma is predominantly agricultural.