The word “of” is integral to this phrase. You need to have it there. Always. It’s never “a couple dollars” or “a couple kittens.”
A dilemma is a situation in which a person is forced to choose between two alternatives, both of which are very bad. It is not to be used to refer to a choice between more than two alternatives or a choice between a good and a bad alternative.
This word means, “for a moment,” and not, “in a moment.” So, it would be correct to say that Bryan paused momentarily as he passed the candy store, but incorrect to say that Laurel’s parents would arrive momentarily to pick her up from ballet practice.
This list of common grammar and usage errors from J-Source.ca for the rest of us, which doesn't include 'your vs you're' because it's for literate people.
at 15.9.10 spied by riley