With the word “ PM2.5” ________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.
. Rain and freezing temperatures ____ to make snow.
. The express No.12_____ at two pm.
Our city has changed a lot; who can tell what it will be like in ___ ten years?
She fell and hit her head, but she ___ to be all right now.
____ his telephone number, she had some difficulty getting in touch with Bill.