12. In some restaurants in China, waiters are now replaced by ______ because they are novel and fun. * A. robots B. machines C. devices D. tools 13. A modem ___ can help keep your food fresh longer than the old ones. * A. shelf B. kitchen C. fridge D. cupboard 14. This washing machine is fully _______. All you have to do is put your clothes in and press these buttons. * A. automate B. auto C. automatically D. automatic 15. My family lives in a(n) _______ in the center of Hanoi. * 40 điểm A villa B. apartment C. room D. studio 16. I want to live in a house _______ the sea because I love the wind, the sand and the Sun there. * A. in B. under C. on D. by