Question

【题目】__________ in the school regulations that students should not wear long hair or jewels.

A. It is required

B. What is required

C. What requires

D. It required

Answer 1

【答案】A

【解析】句意：按学校规定，学生不应该留长头发或戴珠宝首饰。it为形式主语，that引导主语从句。