Writing 2(2017浙江11月) 阅读下面短文. 根据所给情节进行续写,使之构成一个完整的故事。 A Vacation with My Mother I had an interesting childhood. It was filled with surprises and amusements, all because of my mother—loving, sweet, yet absent-minded and forgetful. One strange family trip we took when I was eleven tells a lot about her. My two sets of grandparents lived in Colorado and North Dakota, and my parents decided to spend a few weeks driving to those states and seeing all the sights along the way. As the first day of our trip approached, David, my eight-year-old brother, and I unwillingly said good-bye to all of our friends. Who knew if we'd ever see them again? Finally, the moment of our departure arrived, and we loaded suitcases, books, games, camping equipment, and a tent into the car and bravely drove off. We bravely drove off again two hours later after we'd returned home to get the purse and trav-eler's checks Mom had forgotten. David and I were always a little nervous when using gas station bathrooms if Mom was driving