Everybody showed great respect to the old doctor, who devoted everything he had to __________ the poor conditions of the local hospital.
--- Are you worried about her safety? --- Just ________. She isn’t alone.
More consumers are waiting for the further drop of housing prices with money in their hands rather than ______ houses, according to a report.
Nobody believed his reason for being absent from the class __________he had to meet his uncle at the airport.
Shall we go ____ downtown to buy some clothes of high quality?
____ we are alone, we can speak freely.