22、In 1861, the native wife of a crew member Maria followed native trails to Fort Langley   __help when their boat became stuck in winter ice.

A．has sought               B．seeking          C．to seek          D．sought

21、With the publishing of Thoreau’s On Walden Pond      of the wonder of Nature.

A．this appreciation came                                 B．came a new appreciation

C．was the appreciation came                           D．the author appreciated

20、Have your parents made any financial allowance        your study visit?

A．about        B．for          C．with        D．against

19、Many careers require a college diploma; in some jobs,        , previous experience is the main requirement.

A．besides          B．however         C．accordingly        D．therefore

18、She told her husband that she couldn’t       the rest of the housework without his help.

A．get over          B．get through          C．get into            D．get off

17、While many studies claim that vitamins and herbs      improve health, there are a lot of controversy about their safety.

A．can         B．should          C．must          D．shall

16、The Investigation documented instances      patients were repeatedly instructed to follow doctors’ advice but still failed to do so.

A．that         B．when          C．in which            D．by which

15、Many women today hold that it’s their husbands’ responsibility to earn money and       to spend it.

A．them        B．their          C．theirs          D．themselves

14、I am really a bit worried because I have no idea what my parents’        will be to my poor examination result.

A．expression           B．reaction         C．appearance          D．expectation

13、-When did the couple die?

-It was on May 12      the earthquake hit WenChuan County.

A．that        B．which          C．when         D．what