21-Is it OK to take this seat? -Sorry. _______
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21-Is it OK to take this seat?
-Sorry. _______
A. here you are B. take it
C. it’s taken D. never mind
参考答案:
21-Is it OK to take this seat?
-Sorry. _______
A. here you are B. take it
C. it’s taken D. never mind
参考答案: