问题
选择题
There is a real possibility that these animals could be frightened, ________ a sudden loud noise.
A．being there
B．there being
C．should there be
D．there was
答案
答案：C
考查虚拟语气和倒装句。本题是一个省略了if的虚拟语气句，并且是与将来相反，从句可以使用：should+动词原形；原句为：If there should be a sudden loud noise, these animals could be frightened.