19. in which of the following sentences is the word down used as an adverb?

a. just as she was standing to give her presentation, ashlee fell down. b. the ball moved down the street towards the intersection. c. ricky rolled down the car window to place his order at the coffee shop. d. gail fell down the steps because she tripped on her untied shoelace.

Excerpt from the trip of a lifetime elizabeth mohn 3 a little more than a week ago, my mother and father started packing our suitcases to prepare for our trip. my entire family woke up early sunday morning, packed the car, and began our expedition to niagara falls. when we reached the american-canadian border, i was excited to enter a foreign country for the first time. the third paragraph is mainly about a) traveling to niagara falls b) leaving the hotel. c) seeing the falls. d) returning home.