33．— You seem to be familiar with this city! — I English in a school here for two years．I

问题补充：

33．— You seem to be familiar with this city!

— I English in a school here for two years．Its great to be back again!

A. taught

B. have been teaching

C. had taught

D. have taught

答案：

(答案→)A. taught

B. have been teaching

C. had taught

D. have taught

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