_________ advertisements are of great help, I don’t think we should entirely rely on them

The children went home from the grammar school，with their lessons ____for the day.

Do you have any idea which to choose?— Well, you’d better take this one. It’s ______in price and good in quality.

You can never be ________ when crossing thestreet.

The T-shirt ______ me over 100 Yuan, but I don’t think it’s worth ______ much.[ ]