"If not us, who? If not now, when?" These two questions are used as _____________.

2.马克思主义哲学.马克思主义政治经济学和科学社会主义构成马克思主义的全部内容。 ( )

1.相对于特定历史条件下的个别理论判断,马克思主义基本原理具有普遍的.根本的和长远的指导意义。 ( )

The tape recorder ______ out of order, the students did not know what to do.

At three o＇clock this morning, I seemed ______ someone scream in the street.

That is the robber ______ arrest a reward was offered.

I want an assistant with ______ knowledge of French and ______ experience in handling office routine.

On no account ______ borrow money from friends,and still less ______ dependent on the favours of rich relatives.

"Did you hear of his death?"
"Yes. If he ______ in time, he ______."

We are thinking of going ______ holiday to Switzerland.

Mr. Brown had the report ______ as soon as he finished ______ it.