题目内容
－Hi, I didn't know you had come back! Have you finished your teaching in America?
－Yes. I______Chinese there for more than two years.
| A．have been teaching | B．was teaching | C．taught | D．had taught |
C
略
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－Hi, I didn't know you had come back! Have you finished your teaching in America?
－Yes. I______Chinese there for more than two years.