Chọn đáp án đúng : My grandfather/recover/quickly/his serious illness

37. My grandfather/recover/quickly/his serious illness

     A. My grandfather was recovered very quickly from his serious illness.

     B. My grandfather has recovered quickly from his serious illness.

C. My grandfather is recover quickly after his serious illness.

D. My grandfather recovered more quickly over his serious illness.

38. We/lost/so/stopped/ask/a policeman/direction

     A. We were lost, so we stopped to ask a policeman for direction.

     B. We lost, so we stopped and ask a policeman for direction.

C. We are lost, so we stopped asking a policeman about direction.

D. We were lost, so we stopped to asking a policeman for direction.
Mark the letter A, B, C, or D to indicate the sentence that is best written from the words/phrases given.