The research is so designed that, once _______, nothing can be done to change it.

---- Will Joe attend the party?  ----- If his wife won’t go to the party,_________.

      my mom not totrust those people easily, shewouldn’thavebeen cheated out of 50,000 yuan.

Only after they had carried out over ten experiments ______ the decision.

So much of interest______that most visitors simply run out of time before seeing it all.