题目内容
My father has been a teacher ________.
A.since 20 years
B.for 20 years ago
C.since 20 years ago
D.from l985
答案:C
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题目内容
My father has been a teacher ________.
A.since 20 years
B.for 20 years ago
C.since 20 years ago
D.from l985