问题
选择题
Which of the following underlined parts is different in pronunciation from others?
A．The host usually speaks first at a meeting.
B．Please pay attention to the missing part.
C．The old are free to take a bus when it is not the rushing hour.
D．Oh, how windy! Close the window, please.
答案
答案：B
题目分析：句意：。下列哪一个划线部分发音与其他的不同？元音字母o在单词host、old、close中都发字母o的音，所以选B。
