✔ 最佳答案
Q1: any keys, more # or b, the song may be easier. fewer # or b, song may be more difficult and the examiner may give a lower mark unless you play very well
Q2: 如果只有0/1/2個 # or b不指會不合格
Q3: this are 肯定的答案
Q4: nor related
Q5: don't need to be so worry. may be the examiner feel you play songs and scale well , and hope you get a higher mark