The ___ of the heavy rain was the flooding of large areas of land.
—I’d like to call you at 10 o’clock next Friday morning if it is convenient.—I’m afraid I _______ an important meeting.
What some teenagers don’t realize is ____ difficult life can be if they get addicted to drugs.
_______ in the book, he didn’t notice my coming.
Although this medicine can cure you _______ your illness, it has a bad effect ______ you.
—How long did Mary work here?—For half a year, but she didn’t leave us much ____. We hardly remember what she is like.