（A）Maria想举办一个毕业庆祝午餐会，向朋友们发出邀请．下面是她的邀请函及收到的部分回复，请补全它们

Graduation Party Please join us for lunch! At 11：00 a．m． on Tuesday July 2nd At 3 H Street Maria's house

Dear Maria，    I'm（1） 　 sorry 　I can't come．    I have to visit my friend Steve because he is ill．    Hope you （2） 　 have a good time 　!                                      Peter

Dear Maria，    （3） 　 Thanks 　 for the invitation．    I'm coming! But my swimming class is from 10 a．m． to 11 a．m．，So（4） 　 I will be there a little late 　． See you on July 2nd!                                       Emma