.Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _________ the number of people infected with the virus is going up sharply.
Itwasabadideatobuildapowerstationinthedeepvalley,butit_____aswellaswehadhoped.
The man put down the phone with a long face, _________about the information he received.[ ]
__________ the days went on, the weather got worse.[ ]
The old black woman sat under the pine tree, her grandsons, ______ around her, ______ to an old story.[ ]