if you are just jumping into a thought then it isn't wrong.
example:
So today Dustin and I....
if you are doing a proper sentence then yes it is considered and error
About 27, if you include the 1 idiom
I think smiled is a verb, as for hope, my best guess is noun
<span>1. facade </span>
<span>2. elude </span>
<span>3. premonition </span>
<span>4. credible </span>
<span>5. irony </span>
<span>6. incredulously </span>
<span>7. ironic... </span>
<span>honestly...did you read the book?</span>