問題詳情

7. A; _____ Dan’s mother a teacher eleven years ago? B: Yes, she _____ math then.
(A) Did; was teaching
(B)Did; taught
(C) Was; teach
(D) Was; taught.

參考答案

答案:[無官方正解]
難度:非常困難0
統計:A(1),B(0),C(0),D(1),E(0)

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