Although he _______ the danger to his own health, he found it difficult to quit smoking.
I can't make a decision right now. I need________ more time to think it over.
I just can’t________ them waiting for such a long time.
As it is known to all,________ attention you pay to your spelling,________ mistakes you might make.
-Sorry for keeping you waiting. -Never mind. I________ here only a few minutes.
Those relatives were________ people. After a few days, I was getting________ and homesick.