中国大学MOOC: When spring comes, these （5） disappear. Researchers have called this condition SAD -- seasonal affective depression.
举一反三
- When spring comes, it gets_______.
- According to the Bible story ,when a person comes back to life after they have died is called resurrection.
- When spring comes，the snow (消失)．
- 中国大学MOOC: “If winter comes, can spring be far________?” is an epigrammatic line by Percy Shelley.
- 中国大学MOOC: Before Spring Festival comes, people will do the following except ____________ to welcome it.