—Cross the road carefully, ______ you will keep yourself safe.—OK, I will.A. or B. and C. but
We should say ____ to second-hand smoke.
There _______ a school sports meet next month.
—Do you know who _______ basketball? —James Naismith.
—I want to win the first prize in the coming school English competition. —________.
—Have you read ________ in today’s newspaper? —Yes, it’s about H1N1.