— Why is the chemical plant closed?— Because large quantities of waste water ______ into the Yangtze River.
It's really unwise of you ______ him the news yesterday so that it has been disturbing him all the time.
I'm quite to office work. Can you offer me some suggestions?
—What do you think of her performance? —Wonderful.____heard a ____voice.
When Jennifer stepped in quietly, her mother, ____ on the bed, was sleeping sound.
Facing the poor grades, Maria is wondering what it to learn English well.