More and more people were gathering there. He ________ his way through the crowed and rushed into the burning house.

A．armed            B．shouldered        C．handed           D．headed

Because Jack was sure of the fact, he       his opinion.

He ________ his position because he had been offered a better job.

Einstein liked Bose’s paper so much that he ________ his own work and translated it into German.

A．gave off           B．turned down       C．took over         D．set aside

It was lucky that little Jack was not at home when the fire broke out；otherwise，he  his life．

A．had lost    B．would lose    C．would have lost    D．might lose