完形填空。 I was with my oldest son and we were on the lookout for an open parking space in our jam-packed shopping center. We spotted a(n) 1 one in the next row of spaces, and I drove our van around the turn, all the while hoping no one else would spot it and grab it 2 I could. And, as luck would have it, a lady was 3 her shopping cart right in front of us, and it looked like 4 was getting away from her, filled with bags and cartons of soda underneath. She herself was carrying three extra bags in her hands while trying to push the cart 5 a strong spring wind, and looked 6 . Suddenly the cart hit a bump and everything fell off. At that point I felt something sudden in me. I pulled the van into an unloading 7 and told my son to wait for a moment. I rushed over to her and the 8 thing she did was to apologize several times. I helped her 9 everything up, took the extra bags 10 from her hands, and walked her to her car. She told me she was trying to 11 home to her son's thirteenth birthday party and her whole day had been 'just one of those days'. I helped her load the 12 , and she stopped and looked at me and just said, 'Thank you so much'. I smiled and said, 'I am a mother of three and do you think 13 has ever helped me out? I am just returning the 14 .' She smiled and said, 'God bless you' and got in her car. I walked the row over to my van 15 my son was waiting and had been 16 . 'Who was that, Mom?' he asked me. 'She was a 17 too, trying to get home for her son's birthday party. She needed our help,' I said. And I just knew he 18 with that clarity children all seem to have. We found a good 19 and walked together towards the store. As we were walking, my son took my hand. It was the most touching 20 of all, and I realized more than ever that our children are always watching. (     )1.A. typical (     )2.A. before (     )3.A. driving (     )4.A. there (     )5.A. beyond (     )6.A. exhausted (     )7.A. seat (     )8.A. first (     )9.A. set (     )10.A. smoothly (     )11.A. walk (     )12.A. groceries (     )13.A. no one (     )14.A. visit (     )15.A. which (     )16.A. inspecting (     )17.A. driver (     )18.A. realized (     )19.A. spot (     )20.A. signal B. enjoyable B. because B. wheeling B. she B. against B. disappointed B. size B. next B. build B. casually B. hurry B. souvenirs B. someone B. favor B. when B. learning B. mom B. behaved B. area B. gesture C. expensive C. unless C. carrying C. it C. between C. an noyed C. measure C. last C. keep C. firmly C. leave C. furniture C. everyone C. pleasure C. who C. watching C. customer C. imagined C. target C. tradition D. perfect D. though D. searching D. I D. without D. ashamed D. zone D. latest D. gather D. hesitantly D. catch D. equipment D. anyone D. gift D. where D. thinking D. woman D. understood D. scene D. speech