用两个完全一样的三角形拼一个平行四边形。
下列历史事件发生在上海的有（ ）
小明同学参加“献爱心”活动，买了2元一注的爱心福利彩票5注，则“小明中奖”的事件为 ____事件（填“必然”或“不可能”或“随机”）．
what ,be ,an ,last, some ,the, in ,your ,black ,my ,call, how
Hello, everyone. I ____ Frank Smith.Frank is my first name.My ____name is Smith.This is my schoolbag.It's ____. In it,you can see ____books and a pencil box. ____ is that? Oh,it is a watch. And ____ watch is yellow. It isn't____ . I found it ____ Class 7A. Is it ____? Please ____ Frank at 9556833.
