1．神情描写：
lost in thought 陷入沉思
2．动作描写：
①pull over 靠边停车
②hop out of 跳出
③grab the flowers 抓起花
完成句子
1．他星期天很少回来。
Seldom_does_he_come_back on Sunday.
2．因为不知道做什么，我和妈妈决定步行去敬老院寻求帮助。
Not_knowing_what_to_do,_Mom and I decided to walk back to the nursing home and seek help.
