Recent studies have discovered that fathers uniquely contribute to the development of their children, _____ in low income families.

She seems_     happy in her new job since there is nothing troublesome to bother her. 

Wei Hua told me that Wu Dong was＿＿＿＿＿＿＿ill. 

The lake is _____ beautiful in spring and summer because of the pleasant weather in both seasons. 

—How do you find this new movie?—It's ________ interesting than expected.