根据所给提示，完成句子。每空一词，含缩略词。
Why not go to a concert with your friends? (改为同义句)
What _____  _____ to a concert with your friends?
He has ever known the answers  (改为否定句)
He  _______  known the answers _______.
I have learned English since I arrived here.(划线提问)
________  _________ have you learned English? .
She had few friends when she was 13, _____ _____? （改为反义疑问句）
我相信我的梦想将来会实现。
I believe my dream will  _______   _____in the future.