Yan Shu the accident.Everyone said that was a miracle. [ ]

The central heating system of this office building isdown and several workers ______ it right now

Scientists say it may be five or six years ______ it is possible to test this medicine on human patients

.She said ___ she ate little and ___ she was not hungry.

Some economists predict that the dollar will remain weak _______ economies abroad are expected to grow faster than that of the United States