根据所给汉语完成英语句子，每空限填1个单词。

1. 谢谢你邀请我参加你的生日聚会。 　

   Thank you _____ asking me to your birthday  _____. 　

2. 瞧！农民们正忙着在田间干农活。　　

　Look! The _____ are _____ doing farm work in the fields. 　　

3. 医生告诉我这种药一天服三次。　　　　

    The doctor told me _____ take this medicine _____ a day. 　　

4. 如果明天不下雨的话，我将和父母一起去动物园。　　　

　 I'll _____ to the zoo with my parents _____ it doesn't rain tomorrow. 　　

5. 这些机器是中国制造的，他们在世界上很受欢迎。　　　　

    These machines are _____ in China. They are very popular in the _____.