Waste water ____________________into Xiang River.It’s our duty to keep it clean.A. shouldn’t be poured B. mustn’t pour C. can’t pour
—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.
—Hello? _______________—Hi, Alice. It's Amy here.