問題詳情

23. Mr. Brown lost his key this morning, so he kept     it the whole day.
(A) looking for
(B) looked for
(C) to look for
(D) looks for

參考答案

答案:A
難度:計算中-1
書單:沒有書單,新增

用户評論

陳乙韶】評論

keep一般後面接動詞ing