完形填空

                                                                                                                Hungry for Home

     If my life were a1, I would fast-forward through senior high. My senior years were 2. Like every junior high kid, I was3 with who I was and how I would4 in life.

     I tried and failed in a number of things I wanted to excel in sports but had not yet5that would never happen. I remember being 6 by most of my peers and being cut from the basketball team and7 to play football. To be loved and accepted seemed to me at the time something I could never,8 , achieve.

     During that time I went through the cafeteria line and ate alone, feeling unloved and 9One day I 10 that I had no one to eat with. Mom said to me, "If you want, you can come home for 11 ." As soon as the bell 12 at noon and I left the school and ran home that day my mom sat across the13 for about 15 minutes and looked at me and listened to me and three 14 later I still remember those times with 15. She just paid attention to me.

     I now know that I didn't need my 16 filled as much as I needed my emotional fuel tank refilled. I just needed a17 place of warm acceptance for a few minutes a day. Now you know a little more about how I18 home.

Home is a place where you don't have to 19 alone and eat. Home is a place where people don't20 you and avoid you.

已知两点$A(1,0),B(1,\sqrt{3}),O$为坐标原点，点C在第二象限，且$\angle AOC={120}^{°}$，设$\overrightarrow{OC}=-2\overrightarrow{OA}+\lambda \overrightarrow{OB}(\lambda \in R)$,则$\lambda$等于 （ ）