We’ve been told that there will be an interval, _____ people can go to the restroom or buy some snacks.
With the word “PM2.5” ____ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.
After a careful survey about the cause of the newly-built bridge, they finally came to a(n) _________ that it was due to the heavy rain.
He had to pause from time to time to wipe the sweat from his forehead, because the air-conditioning system ____.
Computers and mobile phones, though they are indeed making our life ____ and more ____, have reduced the need for face-to-face communications.
The woman ____there under the tree, ____ in a blue shirt, is our headmaster.