Question 11: All fossil fuels are ______________ resources that cannot be replaced after use. 1 điểm A. unlimited B. non-renewable C. available D. renewable Question 12: The knife _________________ we cut bread is very sharp. * 1 điểm A. with whom B. which C. with which D. whom Question 13: Many animals are ____________ for their fur and other valuable parts of their bodies. * 1 điểm A. hunted B. chased C. run after D. followed Question 14: People are destroying the environment by adding ____________ to it. * 1 điểm A. pollutes B. pollutions C. pollutives D. pollutants Question 15: I like the village ________________ I used to live. * 1 điểm A. in that B. in where C. which D. in which Question 16: I don’t know the reason ______________ she hasn’t talked to me recently. * 1 điểm A.on whom B. for which C. of which D. about whom Question 17: We should develop such ____ sources of energy as solar energy and nuclear energy. * 1 điểm A. tradition B. revolutionary C. alternative D. surprising Question 18: The authority gathered those villagers, ________ they explained to the importance of forests. * 1 điểm A. that B. whom C. whose D. which