—Are those books?—No,they aren’t. They’re .
—How old is Steve? —He is ____________ and he has an ___________ sister.
—The supermarket is crowded(拥挤的). There are ___________ people there. —Yeah, and the things there are always ______________ expensive(贵的).
—______________. The baby is sleeping. —I'm sorry.
—______________ is it from here to the train station? —About 40 minutes' ride.
—Aren't the pandas cute? —______________. I like them a lot.