The ________ cause of his illness was excessive drinking, but the real cause was his deep grief at his
wife's death.[ ]
A. apparent
B. obvious
C. clear
D. distinct
答案:A
The ________ cause of his illness was excessive drinking, but the real cause was his deep grief at his
wife's death.[ ]
A. apparent
B. obvious
C. clear
D. distinct
答案:A