I have been living in Haikou for 10 years, but seldom______so lonely as now.
______ at the news that her eyes rained tears.
Mr. Smith was so angry at all ________ Robert was doing _________ he walked out angrily.
--- I don’t mind telling you what I know.--- You_________. I’m not asking you for it.
American fathers ______ more than twice the amount of time with their children than they used to in years past, due to a sweeping new trend called "unemployment".
A clean environment can help the city bid for the Olympics, which _______ will promote its economic development.