单项选择题Both of them are interested in ______.
问答题Chinese people nee getting accustomed to using credit cards,but not yet to personal checks,which have long been popular in the Western countries:
单项选择题What is the main idea of the passage
单项选择题A.exciting B.pleasant C.tough D.significant
单项选择题What made Professor Broad continue his search for more information on McKay