Select the ONE lettered answer ------------------------------------------------- (1)   George hurt his head while he ــــــــــــــــــــــــــــــــــ  ice skates ------1 ice skated ----2 was ice skating -----3 had ice skated ---4 -------------------------------------------------- (2) Max ...... for the CIA since 1992 ـــــــــــــــــــــــــــــــــ will work ---1 is working ---2 works ---3 has been working ---4 -------------------------------------------------------- (3) THE LAST TIME ..................   to Korea, I spent three weeks on Cheju Island ــــــــــــــــــــــــــــــــــــــــ went ---1 was going ---2 have gone ---3 will go ---4 ----------------------------------------------------- (4) Bob.......to Australia thirteen times ــــــــــــــــــــــــــــــــ goes ---1 went ---2 has been ---3 had gone ---4 ------------------------------------------------- (5) Before Jack arrived, Jill.......up the hill  ــــــــــ...