They are determined to go into the dark cave, ________ my warning of danger.
It doesn’t make ______to buy that expensive coat when these cheaper ones are just as good.
When she woke up, she realized that the things she had dreamt about could not ______ have happened.
— We ________ of gas. I’m afraid we can’t go much further. — I know there’s a gas station ahead. Will it last until we get there?
At times, he felt ____ difficult to _______ himself to getting up early.
As we all know, it was ___ that resulted in the terrible car accident.