chuyên gia tiếng anh giúp em vs khi lm ghi rõ công thức đầy đủ thiếu công thức báo mod xóa ráng chịu _______________________________________ Ex3: cirle the best answer 11) Either book ( is /are) good ,you can choose which one to read 12) The police ( is / are) investigating the bank robbery 13) One of my sisters ( works / work) at a very famous shopping centre 14) Two weeks (is / are) not too much waiting for the results 15) Scissors ( is / are) dangerous for very small kids 16) Doing aerobics ( is / are ) a good way to keep fit 17) Not only the doctors but also the patients ( agrees / agree) with the treatment 18) The Stars and Stripes ( is /are) the name that the Americans give to their flag 19) A number of women standing there ( is / are) my neighbours 20) The poor ( was / were) distributed enough food