补充短文。
Father: Today is Sunday. Tom, I would 1._____ to go on an 2._____.
Lucy: Can I come too?
Father: Oh no, you must look after your sister. And your mother is at work.
Lucy: I can take my sister to the park, too. We can ride bicycles 3._____.
Father: OK. Go to your bedroom and put 4._____ your new dress in the box.
Lucy: OK.
Father: It's about nine o'clock. Let's go.
Lucy and Tom: All 5._____.