I am surprised that he ________ to help me when I needed it most.

[　　]

Most of the students felt rather disappointed at the English party. They say that it ________ better organized.

[　　]

Without the leadership of the Party, there ________ no New China.

[　　]

－I think Helen is at home.

－No, she ________ be at home, for she phoned me from the airport just five minutes ago.

[　　]

Where is Mary? She isn't here. I think she ________.

[　　]

If you really want yourself to be in good health, you must ________ always ________ so much.

[　　]

One ought ________ for what one has done.

[　　]

The young man has made so much noise that he ________ not have been allowed to attend the concert.

[　　]

My transistor radio isn't working. It ________.

[　　]

He cleaned the glasses carefully for fear that it ________.

[　　]