问题
单项选择题
| Questions 17 to 20 are based on the following biographies for the presidential candidates in US 2008. You now have 20 seconds to read Questions 17 to 20. |
Whose father fail an American presidential campaign in 1968
A．Barack Obama’s.
B．Mitt Romney’s.
C．Bill Richardson’s.
D．John McCain’s.
答案
参考答案：B