问题
选择题
Not only her mother but also her father _____ in the same school for twenty years. [ ]
A. will teach
B. has taught
C. have taught
D. is teaching
答案
答案：B
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Not only her mother but also her father _____ in the same school for twenty years. [ ]
A. will teach
B. has taught
C. have taught
D. is teaching
答案：B