What does the passage mainly discuss?

A. Teleconferencing in business communication

B. The origin of online meeting apps

C. Why teleconferencing is widely used

D. Businesses in the post-pandemic era

Đáp án
A. Teleconferencing in business communication

Câu hỏi thuộc Bài tập:

FRIENDS PLUS 9 - ĐỀ KT THAM KHẢO - REVIEW UNIT 1,2 – PRACTICE TEST 2