名词性从句精讲精炼04 50.cindy shut the door heavily and burst into tears. no one in the office knew she was so angry. a. where b. whether c. that d. why 〖答案〗d 〖考点〗考查名词性从句。〖解析〗该空引导宾语从句, 根据句意 “办公室中没人知道她为什么如此生气”可判断选d项。 51. as a new graduate, he doesn’t know it takes to start a business here. a. how b. what c. when d. which 〖答案〗b 〖考点〗考查名词性从句。〖解析〗句意：作为一名新毕业生, 他不知道需要什么才能在这里开始经
