专四专八考试

【单选题】 It is obviously necessary that both the President and his advisers ______ down to earth.
A．will be
B．should be
C．would be
D．must be

网考网参考答案：B
网考网解析：
虚拟语气题。necessary后面接的表语从句中谓语动词要用should+动词原形。 查看试题解析出处>>