Why is （）you are so late for class
A. that it
B. it be
C. it that
D. that
There is no（）that women are playing an important role in the world today.
A. of deny
B. to denying
C. denying
D. of denying
Ford proposed a system （）each worker would have a special job to do.
A. that
B. which
C. in which
D. at which
功能散瘀止痛，接骨疗伤的药物是
A. 姜黄
B. 鸡血藤
C. 自然铜
D. 血竭
E. 五灵脂
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