How many types of business letters mentioned in the Teaching video 1?教学视频1中提到了商务信函有几种类型？
举一反三
- How many types of business meeting according to the video？What are they？
- How many types of exposition are mentioned in the video? A: 2 B: 3 C: 4 D: 5
- How many types of signal words mentioned in the video? A: five B: six C: seven D: eight
- How many stories mentioned in this video？In this video, how many stories are fables? and how many stories are fairy tales?
- How many types of culture mentioned in this chapter?