IV. Choose and circle the letter A, B, C or D to show the underlined part that needs correction (9 points): 1) The (A) printing press makes it possibly (B) to print books more cheaply (C) and more quickly than ever before (D). 2) We all (A) think that she will be suitable for (B) the work because she has been working (C) like (D) a secretary for a long time. 3) Almost (A) medical doctors have had (B) some training (C) in (D) psychology and psychiatry. 4) Not one (A) in one hundred children exposed to (B) the disease are (C) likely to develop symptoms (D) of it. 5) The children forgot picking (A) up the note (B) from (C) the office and now they are (D) worried. 6) Of all (A) mammals, dolphins are undoubtedly (B) between (C) the friendliest (D) to humans. 7) Harmony (A), melody and rhythm are (B) important elements in mostly (C) forms of (D) music. 8) Only by reading (A) carefully and slowly that you can (B) understand what (C) the manual says (D). 9) A galaxy, where it may (A) include billions (B) of stars, is held (C) together (D) by gravitational attraction.