問題詳情

20. Sam in the classroom, and his classmates were playingball in the playground.
(A) studied
(B) study
(C) was studying
(D) to study

參考答案

答案:C
難度:非常簡單0.867
書單:沒有書單,新增

用户評論

【用戶】Angela

【年級】高三下

【評論內容】前後兩個句子在敘述同一時態的事情,因此應...