The young tribal man helped Mrs.Davidson find her way back, in return for________ medical equipment was offered to him by the latter.
33. Once ____you may feel uncomfortable.
The party last night was ____great success. We sang and danced until it came to __end at 12.
31.By the time we _____the airport, the plane_____.
30. Because of the heavy snow, a serious accident______to the family.
29.It was _____he said ____disappointed me.