We never asked his opinions so he felt ___ during our discussion.
I can not think where I’ve left my umbrella; my mind’s completely ________!
Regardless of ________ the obstacles in this life may be, I will run my race to the best of my ability.
Both she and her friends liked travelling. She traveled a great deal, ________.
The vocabulary and grammatical differences between British and American English are so slight and few as hardly ________.
We would like to thank the founder of our library, without ________ help none of this would have been possible.