【单选题】
25. A pilot should be responsible ____ the safety of all the passengers on board.
【单选题】
He should be responsible [填空] that.
【单选题】
6. What really ______ is that the teacher should be responsible for his students.
【单选题】
If you are not certain who should be held responsible for the loss, you might file a claim ________ the insurance agent there.
【单选题】
25. She put an extra blanket over the baby for fear that____.