根据对话内容进行短文填空。
Mike:What are you going to do this morning?
Amy:I'm going to plant tree seeds in our garden.
Mike:How do you do that?
Amy:It's easy. First, dig the soil and put the seeds in it.
Mike:What should you do then?
Amy:Water it. In several days, you can see it grow up.
It's in the ___1___.Amy___2___ going to___3___tree seeds in the___4___. First, she is going to___5___the soil and put the___6___in it. She is going to ___7___ it and wait for it to ___8___ up.