More and more rich people have promised to ______ their wealth after death to help the poor and the disabled.

None of the underwater workers has been harmed by the great fish ______, most fish were so friendly that they played with the instruments [ ]

32．Many experiments_____before the research team was able to get the exact data to carry on project

He said that not until the heavy snow blocked the express ______ how serious the weather was

_________ will the train ___________——In ten minutes.