He looked hard at the blackboard but could not ____(see) the words clearly如何确定是否是过去式,

英语翻译i looked hard at him,while he stared dully back at me.如何翻译? He looked at the board, ( ) hard. A thought B thinking C thinks D to think He looked hard at the blackboard but could not ____(see) the words clearly如何确定是否是过去式, 英文翻译 作者要表达什么Today, I was at my job as a hostess. It was an especially hard day, and many customers had been rude to me. One man was sitting alone, eating at a table beside me. As I stood there, close to tears, he looked me in th he looked at a photo变问句 改错 he looked sad at the letter He looked at me with______（gentle） He looked at me.He was pleasant.（合并句子） He looked at me.He was pleasant.（变为一般疑问句 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 his mother.he was happy.(合并为一句)he looked at his mother______. He studies very hard at his chinese He seems_____ (work) hard at his subjects He looked at her when she walked b____. He is the man who looked at the photo. 英语翻译He looked ( )at the blackboard but could ( ) see anything Jack failed his English exam.he looked at the paper ().