题干
Where was the ceremony?
A：In the theatre．
B：In the hall．
C：In the playground．
答案(点此获取答案解析）
B
Where was the ceremony?
A：In the theatre．
B：In the hall．
C：In the playground．
H+
Li→2
He。根据以上信息，以下判断正确的是 （ ）
