------Are you going hiking next day off?. ------If you do,_________.
When he saw the poor conditions in the school, he decided to ______ some teaching instruments for them.
The flight to New York was ________ because of the heavy fog.
—What did you talk about just now?—My father asked me ___________.
______ you say sorry to your uncle, he won’t forgive you.
______ nice time the boys had playing football with the national team last Sunday!