I have lost my door key _____.
You can ______ her books from her website.
The wedding was planned down to the last ______.
We need to ______ vigilant.
What will the job ______?
My son is ______ of the dark.
Please _______ why you are late.
A good diet should _______ many different foods.
I'm going to ________ about the awful smell.
A car will last longer if you ________ it well.