改错 he looked sad at the letter

改错 he looked sad at the letter he looked sad at the news 为什么不是sadly He looked (sad)at the broken toy car. he looked sad at the cat that was sitting in the cold corner 高中英语一题改错The letter I looked forward to received at last 怎么改, The letter I looked forward to coming at last.改错,哪里错了? The old man looked as_____as he could at the letter from his The letter he looked forward to ___ He looked sad because he failed ______(pass)the exams The letter I looked forward to received at last He looked-------(happy)at the bad news. He looked t____ the letter and then went out