什么是单口喜剧？

"The comedian made everyone laugh at the school talent show. "

"The children told jokes during the car ride to pass the time. "

"The book tells the story of two roommates."

"We joined the audience just as the lights went down."

"the performance of an undertaking or a duty"

"The band returned to the stage to play an encore."

"The teacher used the microphone to project her voice clearly to all the students in the large classroom. "

"That was quite a build-up for such a puny punch line."

"The researcher collected a vast amount of material about different types of families for her book. "

"The juggler always seemed to have a heckler or two in the crowd on Saturdays."

"Their loud laughter betrayed their presence."