6. <正しいものを1つ>
(a) We have visited Italy four times during the 1960S.
No. 1 think
(D) When I was a college student, I hadstudied in the U.S. for two years.
(c)/ After graduating from college. I kept a diary for twenty years, but last.
year I stopped keeping it because I camie down witha serious disease.
7
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