He looked out at the sullen sky.求分析out和at的词性,这种用法这种用法常见吗?

He looked out at the sullen sky.求分析out和at的词性,这种用法这种用法常见吗? 改错 he looked sad at the letter I looked out the window at the rain outside是什么意思 A- looked at ,looked out ,looked in ,looked 的意思 He looked t____ the letter and then went out He is the man who looked at the photo. when he looked sadly at the picture.he looked sad 前面为什么用sadly不用sad? When he looked _____ at the picture ,he looked _______(sadly)为什么， He looked at the paper for three hours.He didn't write a world.(两句合一句）He looked at the paper for three hours ---a word---.He is very clever.He can work out the problem.It is---of---to work out the problem. 英语翻译He looked ( )at the blackboard but could ( ) see anything Jack failed his English exam.he looked at the paper (). They ____ and found the timetable above the blackboard.选哪个?为什么?A.looked out B.looked for C.looked at D.looked up Only a few people spoke to Robet at the party ,so he felt ---- and looked a little upset.A made out B sorted out C left out D put out He saw two boys__(get) off the bus when he looked out of the window At last, he ______who did that.A found B found out C looked for D saw. He (watched )this when he looked out of the window.这句话对吗? He glanced at the bits of wood and metal.He (looked quickly at the bits of wood and metal.为什么用looked quickly at而不是stare at He looked out of the window ,surveying the landscape of the countryside翻译