单项选择题Why does the author mention a dog's bark
单项选择题Question 10 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question, Now listen to the news.
单项选择题The underlined word elapses in paragraph 1 is closest in meaning to ______.
单项选择题The author seems to be rather ______ about his disease.
单项选择题Why does the author mention doorbell rings