阅读短文，根据所给的中文提示，写出空白处各单词的正确形式，每空只填一词。
Dear aunt,
   I am very glad to get your letter. Thanks for ____  (邀请) me to your home. But  I can’t go becauseI have a ____ (感冒). On my last day off, I got up ____  (早).Nick and I went ____  (钓鱼)in a lake.It was about  ____ （四十） minutes by bike. We  had ____  (愉快)there. We didn’t get back until 4:00 pm. However, it ____ (开始) to rain hard on the way. We were ____ (湿的).
    Don’t ____  (担心). I think I will be better. I will see you soon if I am ____ (有空).Thanks .
                                                                                                                                                                                Tom