Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 có đáp án (Đề 6)

when she (64) ________ that he was having difficulty eating his dinner and asked him what was wrong

51/93

when she (64) ________ that he was having difficulty eating his dinner and asked him what was wrong

knew

В. aware      

С. looked  

noticeda

Giải thích

Chọn đáp án D