30. he had wonderful childhood, _____with his mother to all corners of the word (A). travel (B). to travel (C). traveled (D). traveling

56.From the text we learn that__________. (A).by 1930 Olivetti produced 13,000 typewriters a year (B). Olivetti earned more in the 1960s than in the 1950s (C).some of Olivetti,s 700 staff regularly visited customers in Italy (D). Olivetti set up offices in other countries from the very beginning