The game was ________, but she didn't seem to know she must leave the stadium．

The game was ________, but she didn't seem to know she must leave the stadium．

A.in the middle

B.at an end

C.on the air

D.at the beginning

答案及解析： B

解析：

at an end结束，常作表语．符合后面“必须离开”的句意．