求翻译：there is a lot to do here,and i am sure we will have a great time. on saturday afternoon we can go to basketball game. i think i can get tickets. in the evening we are going to go to randy is house for dinner. after dinner we might go to a rock concer. i am going to try to get tickes.if you want,on sunday we can play tennis in the mroning and visit the planetarium in the afternoon.是什么意思？

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