she asked where the restaurant is/was 哪个对?

she asked where the restaurant was.是正确的
直接引语变间接引语主要要注意2点,
1.陈述句语序
2.时态一致 (与句中的 asked 一直)
the movie is nice but the ticket is expensive 注意expensive的主语是tickets~..要主谓一致