Unlike watching television, which requires no thought process, reading is an active learning experience that will keep your mind ________.

His failure was not made public to prevent his look from being seen.

He doesn’t have the habit of planning his travel expense, so he won’t know what to do _______ the money runs out

There is no doubt that fresh air and good food ___ our health.[ ]

Be careful of the dog! It’s.Keep away from it.