根据短文内容和所给的中文提示，写出空白处各单词的正确形式。每空一词。
Hi Betty,
Thank you for your invitation. I’m _小题1:_（抱歉）, but I can’t come. You see, I have a really __小题2:_（忙碌）week. This evening I’m going bike__小题3:_（乘骑）with some friends. and tomorrow, after a _小题4:_（迅速的）breakfast，I have to go to the__ 小题5:__（牙医）. (Yuck!) On Wednesday, I’m _小题6:_(锻炼) with the school team. And I have to study for my __小题7:(物理）test on Thursday. It is very _小题8:_(重要) for me. On Friday evening, I’m going to my cousin’s party_小题9:_(直到)11 o’clock. I’m free on Saturday morning. Can you come to the movies or have video games with us at home at that_小题10:_(片刻)?
Write soon.
Xiao Ming
