X. Make questions for the underlined part in each sentence. 66. The Olympics Games are held once every four years. ________________________________________________________________ 67. The children are playing tug of war. __________________________________________________________________. 68. The first Olympic Games took place in Greece in 776 BC. ________________________________________________________________ 69. Pele began his career at the age of 15. __________________________________________________________________. 70. I really like swimming because it helps me keep fit. ________________________________________________________________