A thermometer is used to measure how cold or hot something is. It measures temperature. It can measure in °F or °C or K.
The plural form of "citizen" is "citizens" or "people of such and such place"
The correct answer is D, because that is the only appropriate shift in tense. A isn't correct because present perfect tense (have raced) is used inappropriately, when it should have been past perfect. B is also incorrect because past perfect means that that action happened before the storm blew, which is not the case. C features future continuous tense, which is impossible due to shift in tense. Therefore, the answer is D, because there is an appropriate tense in that sentence, past simple.
He wanted to know gatsby better. After all he is mysterious and gatsby has been intriguing to him.
