Answer:
Harriet Tubman escaped to freedom in the North in 1849 and then risked her life to lead other enslaved people to freedom.
The low rider cruised slowly down the street.
"He exercised while I watch television." because the tenses of the verbs don't match--"exercised" is past tense and "watch" is present.
An adverb clause will meet three requirements:
First, it will contain a subject and verb.
You will also find a subordinate conjunction that keeps the clause from expressing a complete thought.
Finally, you will notice that the clause answers one of these three adverb questions: How? When? or Why? From this given information you can tell the answer is,<span> A) No I haven't been to a museum since my family moved here.</span>
