What can be inferred from the common response of the attendees at the CES?

(单选题)What can be a suitable title for the text? (单选题)What do we know about the man who took the violin away? (单选题)What can we learn about the lost violin? (单选题)New types of energy from the sun, wind and water are not exp (单选题)Jane speaks good Chinese. She ______ the Chinese language at (单选题)These days lots of people are working ______ to get ______ f (单选题)Driving in the rush hour might be very dangerous, so you ___ (单选题)Look, the kite in the tall tree is quite ______ my reach, so (单选题)—Millie seldom watches action films. She finds them too nois (单选题)I just can’t say ______ I want to go back to my motherland.