用所给动词的适当形式完成短文。
Jane Scott is fourteen years old and last year she (begin) to study in a middle school. She likes (dance) and singing and spends a lot of time (practise) them. But she hates math and (not study) hard at it. She thinks it difficult (learn) math. Once she failed the math exam. And now she decides (give)it up. Her father was angry with her when he knew about it.