问题补充:
Since it is expected that Fed will cut interest rate again, there is no doubt the company will make the decision on raising the price of crude oil.
A. why
B. that
C. whether
D. when
答案:
A. why
(答案→)B. that
C. whether
D. when
解析:主要测试同位语从句。no doubt后同that引导同位语。译文:既然Fed有望在此削减利率,毫无疑问公司将决定提高原油的价格。