20、The lion is king of the forest, who is the ___________of courage & strength.

A．mark          B．signal            C．sign            D．symbol

19、What he said at the meeting was _____________________.

A．of great value                     B．of greatly valuable

C．greatly value                     D．great value able

18、Please _________your minds________ the following problem.

A．pay , to         B．concentrate ,on         C．focus, at           D．center , in

17、She has valuable information in her________________.

A．posses         B．possession          C．possessions        D．possessment

16、What she said___________ me that I was mistaken.

A．convinced          B．knew          C．realized            D．understood

15、My early attempts ____________learning to drive were unsuccessful.

A．in         B．on          C．about          D．at

14、I've got all her records but I've never seen her___________.

A．in the meat           B．on the meat          C．in the flesh        D．on the flesh

13、For a long time they walked without saying ____ word. Jim was the first to break ____ silence.

A．the; a         B．a; the        C．a; /        D．the; /

12、--- It is getting late. I am afraid I must be going now.

--- Ok. _______.

A．See you        B．Go slowly          C．Stay longer         D．Take it easy

11、—Did you submit（递交）your application for a Master’s degree（硕士学位）？

—Not yet. If I_____ to see my father, I would have.”

A．didn’t go                                          B．haven’t gone

C．wouldn’t have gone                          D．hadn’t gone