在职申硕英语考试

【单选题】 (Witnesses) of the crime (find difficult) to explain (why) they (didn't) call the police.
A．Witnesses
B．find difficult
C．why
D．didn't

网考网参考答案：B
网考网解析：
改为find it difficult。it做形式宾语，真正的逻辑宾语是to explain why they didn’ t call the police。 查看试题解析出处>>