26.[1995全国] It's nearly seven o'clock. Jack ________ be here at any moment.

25.[1995全国] —There were already five people in the car but they managed to take me as well.

—It ________ a comfortable journey.

21.[1994全国] I told Sally how to get here, but perhaps I ________ for her.

18.[1993全国] Tom ought not to ________ me your secret, but he meant no harm.

17.[1992全国] We ________ last night, but we went to the concert instead.

A. must have studied　　　　　　　　　　    B. might study  

C. should have studied　　　　　　　　　　    D. would study

15.They insisted that you ________ them a quick answer.

11.________ he come, the problem would be settled.

8.Anybody ________ make mistakes in his life.

2.Jenny ________ have kept her word. I wonder why she changed her mind.

69.[2004江苏] The old man, ________ abroad for twenty years, is on the way back to his motherland.