中国大学MOOC: It is the chairperson’s responsibility to announce the opening of the conference and give a welcome speech.
举一反三
- It is the chairperson’s responsibility to announce the opening of the conference and give a welcome speech.
- It is the chairperson’s responsibility to announce the opening of the conference and give a welcome speech.
- It is the chairperson’s responsibility to announce the opening of the conference and give a welcome speech. 答案:
- It is the chairperson’s responsibility to announce the opening of the conference and give a welcome speech. A: 正确 B: 错误
- 中国大学MOOC: The President will give a speech _______ the opening day of the meeting.