When Miss Smith asked me a few questions in class yesterday, my mind happened to be wandering. As a result, I had to give her awful ____________ responses. 

The book didn’t _______ children because the author used two many scientific terms in it.

--- Jack Chou will give a concert at the City Stadium on Sunday evening. ---- Where did you ____ that?

The aging population in China will greatly _______ the whole society.

Such animals like dinosaurs died out because they couldn’t _____ to the change of the climate.