题目内容
Researchers have found clear and convincing evidence ________ happiness isthe key to better health and longer lives.
- A.where
- B.whether
- C.how
- D.that
D
考察同位语从句.同位语从句that happiness is the key to better health and longer lives解释名词evidence的内容。
考察同位语从句.同位语从句that happiness is the key to better health and longer lives解释名词evidence的内容。
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