成人英语三级考试

【单选题】(Prior to) our (conference), the (executive) director had requested that everyone (was) well prepared.
A．Prior to
B．conference
C．executive
D．was

网考网参考答案：D
网考网解析：
request that之后的从句应该用虚拟语气，改为should be prepared，其中should可省略。 查看试题解析出处>>