1. He was all alone because his parents were at work and his sister was at childcare
2. That was unusual for it was against the rules; he was only use to seeing cargo planes drop off supplies and then leave the community.
3. Jonas was frightened, well not exactly, not like when he saw the airplane in the sky.
4. When this plane flew through the sky there was an announcement to drop everything and go inside.
5. That was truly frightening, however, it turned out to be just a mistake made by the pilot.

M read the sentence. what best describes the underlined part of the sentence, and why? alma plans to visit london and paris, where her parentswent on their first trip together as a married couple. it is a restrictive relative clause because it begins with arelative pronoun, has both a subject and a verb, and is notnecessary to the meaning of the sentence. it is a nonrestrictive relative clause because it begins witha relative pronoun, has both a subject and a verb, and isnecessary to the meaning of the sentence. it is a restrictive relative clause because it begins with arelative pronoun, has both a subject and a verb, and isnecessary to the meaning of the sentence. it is a nonrestrictive relative clause because it begins witha relative pronoun, has both a subject and a verb, and isnot necessary to the meaning of the sentence.