It has been announced that passengers ____ remain in their seats until the dangerous subjects have been removed.

happened to the young trees weplanted last week—The trees______well, but I didn’t waterthem

Could you tell me

_____ what he can do. He might get a jobtomorrow. He might stay out of work for weeks.

___ surprised me most was ____ he was too late for the important meeting, for he was chairman of it