-Excuse me. Could you please tell me ______ '?-Sorry, I'm afraid I can't. You can turn to our teacher for help.
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.