But the unpleasant feeling of coldness disappeared at the ___ of teenage students pouring out of their classroom to give him a warm, wordless welcome.
Not until Mr. Smith came to China ___ what kind of a country she is.
Mr. Smith approved _______ the company.
When I went in, they were ____ in a heated discussion.
When I was about to go out, something unusual _______ my attention.
I’ve been told that the medical team, _______ five doctors and ten nurses, _______ sent to the flood-stricken area.