Sb is doing sth. 回答用So he is./So is he. 還是So he does./So doe

題目：

Sb is doing sth. 回答用So he is./So is he. 還是So he does./So does he.

解答：

應該用So he is./So is he.,因爲謂語形式要一致.如果先前的話是 sb.do / does sth,那麼回應的話就應該是So he does./So does he.