三、语法填空(每小题 1.5 分,共 15.0 分) Plastic is a huge problem for our planet . It is really (1)_______ ( challenge ) to get rid of and a lot of it ends up in nature or in the ocean in particular . There , it is a threat (2)_______ our animals and plants . Now a company from the Netherlands , a small country in western Europe , says that it will use plastic (3)________ ( find ) in the ocean to build roads . Volker Wessels (4)________ ( turn ) the plastic into building blocks for the roads . They will be like puzzle pieces (5)________ fit into each other . Not only will this be good for the environment , but also it will be good for the people who look after roads . If a part of the road (6) ________ ( damage ), it will be easy to remove it and replace it with another piece . The company says that nearly any type of plastic can be used (7)________ ( make ) the road pieces . Scientists (8) ________ ( work ) on the project say that they are in the final stages of testing the materials for (9)_________ ( safe ). They say that the first road built will be (10)__________ bicycle path somewhere in the Netherlands .