题目内容
Christine is a company manager now,but she ________ as a teacher in a middle school in Beijing for three years.
[ ]
A.
works
B.
has worked
C.
worked
D.
had worked
答案:C
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题目内容
Christine is a company manager now,but she ________ as a teacher in a middle school in Beijing for three years.
works
has worked
worked
had worked