18)
A. It's my great honor.
B. It was just a joke.
C. I beg your pardon.
D. Let me give you a hand,
19)
A. Say it again more slowly
B. Tell me some other things.
C. End the conversation with a smile.
D. Provide a detailed or brief explanation.
Questions 20 to 22 are based on the recording you have just heard.
A. Companies were fighting for the gaming market
B. They saw high economic returns in the business
C. More and more people were using mobile devices.
D. Smart phones were replacing the traditional computers.
21)
A. It is beneficial
B. It is complicated
C. It is profitable
D. It is demanding