1.The president will attend the opening ceremony of the (establish)___________of the free trade zone this afternoon.2. Total sales of our company in 2015 rose to 712. 6 million Euros (compare)_______ with 687.2 million Euros in 2014.3. With the work (do)_________ , these scientists began to plan another research project.4. Consumers have the right (obtain) _________ true information of the services they receive from the sellers.5. Many employers complain that they have difficulty (find) _____ enough qualified people for their companies.