求翻译：Tom邀请我明天参加他的生日聚会,但Mike 很忙，周一要复习考试，周二要去纽约，并在那呆两天，周四要上钢琴课，周五要去看望爷爷，所以他不能参加生日聚会是什么意思？

Tom invited me to attend his birthday party tomorrow, but Mike busy on Monday to review the exam, go to New York on Tuesday, and then spent two days, Thursday to piano lessons, Friday to go visit my grandfather, so he can not participate in birthday party

Tom invited me to his birthday party tomorrow, but Mike are busy, and a week refresher examinations should be 2 weeks, to go to New York, and stayed for two days in the week, 4 to 5 weeks to piano lessons, and went to visit his grandfather, because he could not participate in birthday party

Tom will invite me to attend his birthday meeting tomorrow, but Mike will be very busy, will have the examination for additional training on Monday, will have to go to New York on Tuesday, and in that dull two days, will want on the piano class on Thursday, will have to go on Friday to see grandfath

Tom invited me to his birthday party tomorrow, but Mike is busy on Monday to review examination on Tuesday to go to New York, and stayed there for two days, to the piano lesson on Thursday, Friday visiting Grandpa, so he can attend a birthday party

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