中国大学MOOC: How long should it be better to shake hands with others?
举一反三
- 中国大学MOOC: The time you shake hands should be limited in 3 to 5 seconds.
- When you shake hands with others, you'd better take off your____________ A: gloves B: hat
- 中国大学MOOC: How long should a CV be?
- 中国大学MOOC: How long should a cover letter be?
- 中国大学MOOC:"How long should children be quarantined at home after they have measles？ ( )";