問題詳情

15. Frank was doing his homework_______his brother waswatching TV.
(A) because
(B) since
(C) while
(D) before

參考答案

答案:C
難度:計算中-1
書單:沒有書單,新增

用户評論

mingjieke9】評論

Frank was doing his ☆☆☆☆☆☆☆☆ ...