题目内容
—Is your mother a doctor, Peter?
—Yes, she ________ in Chaoyang Hospital for nearly 20 years.
A.worked B.is working C.has worked D.will work
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题目内容
—Is your mother a doctor, Peter?
—Yes, she ________ in Chaoyang Hospital for nearly 20 years.
A.worked B.is working C.has worked D.will work