19. Kevin Lin started to run across the Sahara Desert in November, 2006. He _____ for 111 days, and
問題詳情
19. Kevin Lin started to run across the Sahara Desert in November, 2006. He _____ for 111 days, and finally finished his run on February 21, 2007. (A) has run (B) ran (C) was running (D) would run