In face is a hard job for the police to keep order in an important football match. A. this

问题补充：

In face is a hard job for the police to keep order in an important football match.

A. this

B. that

C. there

D. it

答案：

A. this

B. that

C. there

(答案→)D. it

解析：it在句子中作形式主语。真正的主语是to keep order in an important football match。