_____ Mr. Williams addressed the audience, he showed a brief video about the engine he had designed.

Question 1

C. Before

Answer

C. Before

Question 2

D. Whereas

Answer

D. Whereas

Question 3

A. Then

Answer

A. Then

Question 4

B. So that

Answer

B. So that

Câu hỏi: _____ Mr. Williams addressed the audience, he showed a brief video about the engine he had designed.