I don’t think David could have done such a stupid thing last night, ____?
In face of the challenge for the moment, it’s most important to ______ a good state of health.
Fully ________ in my office work, I have little time for housework.
Nancy reminded me of what I should ________ have forgotten.
Helen borrowed my book _______, saying that she would return it soon.
If he is only interested in your look, that just shows how _________ he is.