A thesis is the main idea of what you are about to talk about.
It helps the reader better prepare them self before actually reading it. You want to make is a very general statement about the rest of your paper, and not make it very intricate or advanced. BRAINSTORM!!! its okay if you dont get it right on the first go! always test to see what maks sence! hope this helps you!
All you have to do is basically as you said, drop the e in exposure and add -ure to the end.
Exposure
Along the narrow forest trail, ferns and tiny wildflowers grew. the other options don't have correct punctuation or grammar.
Answer:
<em>Did</em><em> </em><em>anyb</em><em>ody</em><em> </em><em>clean</em><em> </em><em>the</em><em> </em><em>room</em><em>.</em>