Mr. Zhang once taught in a remote village in Anhui province as a volunteer, which was ______ only on foot.
The president is talking on ____ phone with astronauts in ____ space.
The chief editor demanded that the article _________ immediately.
He decided not to say anything at the meeting unless_________.
Jim went to answer the phone. _________ , Harry started to prepare lunch.
—I prefer shutting myself in and listening to music all day on Sundays.— That’s _________ I don’t agree. You should have a more active life.