问题
The ________ cause of his illness was excessive drinking, but the real cause was his deep grief at hiswife’s death.[]
A: apparent
B: obvious
C: clear
D: distinct
B: obvious
C: clear
D: distinct
正确答案是：
同类题型
____ under the tree was a charming girl aged aboutseventeen and eighteen.
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The zebras have long necks. They can eat easily.
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Is this the reason ______ at the meetingfor his carelessness in his work