where （） your father come from （）内填did 还是does

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• where （） your father come from （）内填did 还是does
• _the girl is playing the piano!括号里填什么 有How well what good How 和What还有When Mary was young,she ___ able to dance very well.could be can be was could I'm glad___hear from you to hear from you hear a letter from you to hear a letter from you-———— does your father come to see you Twice a month.How often How long How soon How far（问题下面的是可供选择的答案）
• When someone says When someone says "Well,I guess I'll have to go to face the music",it does not mean he is planning to go to a concert.It is something far less pleasant,like being called in by your boss to explain why you did this or that,and why you did not do this or that.Sour music,indeed,but it has to be faced.The phrase "to face the music" is familiar to every American,young and old.It is at least 100 years old.Where did the expression come from
• I stay up late every night and realize it`s a bad idea every morning!请问,这句话语法有错误的地方么?求指教
• 当x-y=1时，那么x4-xy3-x3y-3x2y+3xy2+y4的值是（　　） A.-1 B.0 C.1 D.2