单项选择题(work)()as a teacher of English for over twenty years, he has got plenty of experience in teaching。

A.has worked
B.worked
C.working
D.works


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        In his brilliant essay“At the Head of the Peach Blossom Stream”,the great poet of the Eastern Jin Dynasty Tao Yuanming (1)_____(describe)a land of peace away from the turmoil of the world.But where on earth(2)_____(be)this ancient Shangri-la?There(3)_____(be)many guesses.        Most people,especially those from Tao Yuanming's native place.(4)_____(believe)that it should(5)_____(be)what(6)_____(be)now(7)_____(call)the Yujing Hill,about two miles west of Star Child County (Xingzixian in Chinese),Jiangxi Province.The Yujing Hill(8)_____(wedge)between the picturesque Mount Lu and the mist-shrouded Poyang Lake.(9)_____(stand)at the summit of the hill and(10)_____(look)around,one(11)_____(see)down below level fields(12)_____(stud)with hamlets and villages,where cottages(13)_____(stand)in neat rows,footpaths(14)_____(crisscross)the farmland,and rice ears(15)_____(wave)in the winds.This(16)_____(be)just the picture(17)_____(depict)by the poet in his lines;        Level fields(18)_____(extend)wavily to the far horizon,        A new life(19)_____(flow)in lusty young seedlings.        (20)_____(look)farther into the distance,one(21)_____(see)vast expanses of blue waters and a solitary,abrupt peak(22)_____(tower)amidst floating mists.This(23)_____(be)just the Fallen Star Hill(Luoxingshan in Chinese)(24)_____(praise)by the poet as“a solitary object of beauty that(25)_____(rise)clear out of the ground beside waters.”        (26)_____(take)a closer look,one(27)_____(see)chimney smoke(28)_____(curl)up fromthe cottages at the foot of the hill,children(29)_____(frolic)on the threshing grounds or in the streams amid flocks of fowls,and farmers(30)_____(walk)briskly and(31)_____(work)busily in the fields.This(32)_____(be)just the scene of a contented life of plenty(33)_____(paint)by the poet in hisessay“At the Head of the Peach Blossom Stream”.

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