— Did you hear about Zhang Lili who saved the kids from being run over by a school bus? — Yes. What do you think most people _____ if they were in a similar situation?

He insisted that the doctor         at once.

It has been announced that candidates ______ remain in their seats until all the papers have been collected.  

It is a good example of a site that many people think _____ to change.

Some young people these days just ______ go out of their homes to contact the real world．