Exercise 15. Complete each sentence so that it means the same as the sentence above. 7. “Chèo” or”Cải lương” are considered some kinds of traditional opera in Viet Nam. → Viet Nam has some kinds of ... 8. My sister sings better than me. I don't sing.............. Ballets and modern dance are quite different. → Ballets and modern dance are not 10. The project was shorter than we thought at first. →The project was not as............. 9.