假定你是李華，你的深圳朋友田宇來(lái)信邀請(qǐng)你去深圳玩，你因某些原因去不了，請(qǐng)你給她回信拒絕并邀請(qǐng)她來(lái)長(zhǎng)春度過(guò)寒假，共同體驗(yàn)北方的冬天。每空最多不超過(guò)4個(gè)詞。

Dear Tian Yu，    Thank you so much for inviting me to visit Shenzhen.But I'm afraid I have to（1） turn down/refuse/say no to turn down/refuse/say no to your kindness. This is a difficult decision for me，but I have no time（2） because/since/for because/since/for I will be busy with my lessons in the next few days to prepare for an examination.If I don't do well in the examination，my parents may（3） be angry（mad，unhappy，upset，disappointed，down）/be angry with me/get mad （at me）/punish me be angry（mad，unhappy，upset，disappointed，down）/be angry with me/get mad （at me）/punish me .    I feel so sorry for missing the good chance（機(jī)會(huì)）to play with you.I would like to invite you to Changchun to spend （4） winter/the winter/your winter/this winter winter/the winter/your winter/this winter vacation with me.We will（5） have fun/have a good（great，wonderful，meaningful，nice） time /enjoy have fun/have a good（great，wonderful，meaningful，nice） time /enjoy making snowmen or going skating on real ice.Of course，I will show you around some interesting places here.    I hope to see you soon.                                                                                                                                                           Yours，                                                                                                                                                            Li Hua