問題詳情

3. A: What _______ ?
B: They are playing with the toy car.
(A) they are doing
(B) they are do
(C) are they do
(D) are they doing

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增

用户評論

【無條件一次過(邀請碼140】評論

從B的回答可以發現他是 they are doing…………所以倒裝句直接將be動詞往前移變為are they doing