Lin Dan, the two-time defending world champion, raced to a 7-0 lead in the second game, _______ a stunned Lee Chong Wei started to even find his rhythm. A. before B. after
_______ is known to all,China will be an ______ and powerful country in 20 or 30 years’ time. A. That; advancing B. This; advanced C. It; advancing D. As; advanced