I think Liu Dehua was the best performer in the movie Switch

I think Lily is the best performer. While I was walking in the street,I met Liu Dehua. 句型转换 I think Eliza is the best performer Who do you think is the best performer? the prize ( ) the best performer when the Liu dehua appeared ,all the fans c___ Crystal(Liu Yifei )stars in the movie ( ) ()the best movie theater in the city?! I think she is the best teacher in the world. --Who do you think was the worst performer? --____. A,Eliza She won the prize for the best performer the prize （）the best performer A for B of