中国大学MOOC: Which of the following sentences are more formal?
举一反三
- 中国大学MOOC: Which of the following sentences sounds more credible?
- Which of the following sentences is not a formal expression?
- Which of the following sayings is more formal? ____________
- 中国大学MOOC: Which of the following sentences are ambiguous?
- 中国大学MOOC: Which of the following occasions has a formal debate?