—It smells terrible. What has happened here?—Look, there is a chemical factory ____waste water___ the river.A. pour; into B. pouring; into C. poured; to
Our school reading room ________ from 8a.m. to 5p.m. every day.
---How does your mother look? ---_____________
---Shall we go and ______ hello to the old man? ---Good idea! Let’s go.
Miss Gu is _____ teacher. She teaches ____ Chinese.
—_______your mother good at cooking?---Yes, but my father _____cook well.