中国大学MOOC: Which of the following sounds most polite?
举一反三
- 中国大学MOOC: Which of the following sounds is a palatal?
- 中国大学MOOC: Which of the following sentences sounds more credible?
- 中国大学MOOC: Which of the following expressions is a polite way to ask for help? ( )
- 中国大学MOOC: Which of the following is the most communication-style?
- 中国大学MOOC:2. Which of the following is the most specific?