I wonder if it's ________ I haven't been able to be outdoors for so long ________ I've grown so crazy about everything to do with nature．

because; that

that; that

why; that

that; because

I 　　1　　 　　2　　 it's because I haven't been able to be outdoors for so long 　　3　　 I've grown so crazy about everything to do with nature．I can well remember that 　　4　　 was a time 　　5　　 a deep blue sky, the song of the birds, moonlight and flowers could never have kept me spellbound…．

阅读

　　Complete the short passage using suitable words or phrases you learned from the text．

　　I wonder if it’s because I haven’t been able to be outdoors for so long that I’ve grown so 　　1　　 about everything to do with 　　2　　…For example, when it was so warm, I stayed awake 　　3　　 until half past eleven one evening 　　4　　 have a good look at the moon for once by myself．I didn’t 　　5　　 open a window…It was the first time in a year and a half that I’d seen the night 　　6　　．