There was no news；＿＿＿＿, she did not give up hope. 

She sells second-hand articles at reasonably fair prices from 10 to 50 dollars ____ in her shop.

With the word “PM2.5” ____ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days. 

— Have you finished your experiment report, Jane?— Oh, my God. I’ve _____ forgotten all about that.

He broke      a piece of chocolate and gave it to me before he broke the rest  into pieces.