题目内容
11、 the Department of Homeland Security identified more than 7,000 sensitive dates spanning the next 20 years, it did manage to rule out several dates as future 9/11s.
A.Since B.Because C.Though D.When
试题答案
11、C
the Department of Homeland Security identified more than 7,000 sensitive dates spanning the next 20 years, it did manage to rule out several dates as future 9/11s.