問題詳情
3. When I were young, I ______ work and study at the same time.
(A) have to
(B) has to
(C) must
(D) had to
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
【Muriel Greco】評論
When I were young, I ______ work and study at the same time. (A) have to (B) has to (C) must (D) had to 過去式