I . Complete the conversations . Put in a , an or the . ( dịch luôn hộ mik ) 1 . A look outside . The sky is getting very dark B I hope there isn ' t going to be a atorm . 2 . A I'm going out for ....... walk . Have you seen mu shoes ? B Yes , they ; re on ....... floor in ..... kitchen . 3 . A Would you like .... tomato ? There ' s one in .... fridge . B Oh , yes , please . I 'll make myself ... cheese and tomato sandwich . 4 . A If you are going into ... city center , can you post these letters for me ? B Yes . I ' ll take them to .... main post office . 5 . A I ' ve got ... problem with my phone bill . Can I see someone about it ? B Yes , go to ... fifth floor ..... lift is along the corridor . 6 . A I didn't know Melanie had ... dog . B It isn ' t hers . She ' s just taking it for a walk while .... owner is away . 7 . A I ' ve got ... headache . I ' ve had it all day . B Whay don ' t you go to .... health center ? 8 . A Guess what . I found .... E50 note on the pavement this morning . B You really ought to take it to .... police station GIÚP MIK NHANH NHA ! EEE huhu