Complete the following sentences with by, for, of , on, to or with. 1 Shares in corporations are usually sold ______ the Stock Exchange. 2 One advantage _______ working for TBF is the career structure. 3 Who is responsible ______ staff development in this department? 4 The key _____ survival for most companies is flexibility. 5 Companies need to be able to adapt _____ a changing environment. 6 A team of ten people reports _____ the IT manager. 7 Many companies used to provide workers ______ lifelong employment. 8 The Head of Procurement is in charge _____ purchasing. 9 Traditional Companies are being replaced ______ networks of companies working together. 10 Which division deals ______ issues related to patents?