7.My grandparents ________ old. But they are strong.(A) are both　(B) are all　(C) are only　(D) both

問題詳情

7.My grandparents ________ old. But they are strong.
(A) are both　
(B) are all　
(C) are only　
(D) both are

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