Unhappy people think they will be happy if something changes.
查看答案
Happy people usually don't have problems.
A. 对
B. 错
Unhappy people are optimistic about their problems.
A. 对
B. 错
Having close relationships is not an important factor for achieving happiness.
A. 对
B. 错
Unhappy people have fewer close relationships than happy people.
A. 对
B. 错