中国大学MOOC: What do cadets usually do on board a ship?
举一反三
- 中国大学MOOC: At Double Ninth Festival, what do people usually do?
- 中国大学MOOC: In the United State, while inviting guests over for dinner, what do the hosts usually do?
- 中国大学MOOC: When people write to build emotional appeal, what emotions do they usually appeal to?
- What do people usually do to control their diabetes?
- What do people usually do in the Qingming Festival? ( )