He hurried to the booking office only _____ that all the tickets had been sold out.
The climate conference was attended by 11,000 people, it the largest UN gathering ever held.
Bob's lectures a fairly wide range and I can't sum up what he says in a few sentences. A. covered B. conveyed C. considered D. commanded
They don't feel safe in our town at night because it so dangerous. There's a robbery every week now.
We should bear in mind that social development and balance of nature should go in .
The beautiful mountain village we spent our holiday last year is located in is now part of Guangxi.