单项选择题We can conclude that Isabel Burton ______.
单项选择题Although he was employed by Foreign Office, Richard Burton was ______.
单项选择题When her husband laughed at her reaction, Isabel decided ______.
单项选择题In the passage, the author includes all of the following EXCEPT ______.
单项选择题The author suggests that implementing manufacturing competitiveness is a strategy that is ______.