I could have helped the old man ______ yesterday morning.

______ arrival at the small village, they caught sight of the thick green trees in and around it and were attracted by the beautiful scenery

na ________ into a market economy, the government no longer assigned jobs, food or free housing to urban residents.

Don’t smoke here, Sir.一Oh, sorry. I it was a non-smoking area.

1– __ you bring somethings for me –Yes, I can.