Try on this T-shirt. I think it fits you ________.

The girl is shy . She always feels         to speak in front of the class .

He is very ________today. Look, he is laughing _________.

--There will be _____air pollution if there are_____ people driving. --I hope the air will be fresher soon.

Zhou Libo is Shanghai’s favorite funny man. He is good at making people laugh. His lively shows were _________ hot that tickets sold out in minutes.