-Were you swimming an hour ago? -No, __________.A. I am not B. I didn't C. I wasn'tD I am
Don’t open the door to strangers;it’s not________.
—Call me up if it’s________to you tonight. —Sure.
—What are they doing at the bus stop? —They are waiting for a bus________.
—What happened________him? —He hurt himself.
We were surprised________that news.