选词填空，完成下列短文。 A. Put it in the sun    B. put a pear seed in the soil    C. You can see a big plant D. put some soil in a pot    E. water it    F. Water the seed G. You can see the sprout Do you know how to plant a pear tree? Let me tell you. First, 1______________. Then, 2______________. 3______________. 4______________. When it's dry again, 5______________. 6______________ in a few weeks. Don' t forget to put it in the sun every day. Wait. 7______________ in several months. When can it grow pears? Wait.lt will take a long time.