Those relatives(亲戚) were _______. After a few days, he got _______ and missed his parents very much.
She often ___________ her parents do housework at home.
She got __________ gifts for her birthday yesterday.
What did you buy during your last vacation? I __________ a hat.
--- ___________ there any sharks in the aquarium? --- No, we didn’t see any.
It’s not good for people __________ waste water (污水) into the river.