Hey there!
I believe the answer is not possible.
Hope it helped!
The sentence in which the adverb clause modifies an adjective is the second one - The veteran appeared proud as he saluted the flag.
The adjective here is <em>proud</em>, and the adverbial clause is <em>as he saluted the flag. </em>As you can see here, that clause is describing the adjective in more detail.
When did the veteran appear proud? - As he saluted the flag (it obviously modifies the word <em>proud</em>)
What about it? U didn’t add a ?
Wesley Harris and his friend Matterson decided together to escape from slavery and stop this practice. Even though they had to face a lot of problems in it but they were still determined to do it.
<u>Explanation:</u>
This was an excerpt taken from the Underground Railroad which was written by William Still. It had a record of facts, authentic narratives and certain letters about the problem of slavery.
But Wesley Harris and Matterson decided that they will now not bear this problem any more and they will fight against it. They will escape it. Even though they had to go through a lot of problem for this but still they were determined to do this.