Input letter does not match with displayed letter

Input letter does not match with displayed letter No input file specified 电脑出现：NO VIDEO INPUT what does he say in the letter? what does the letter stand for?stand Who does Emma write the letter to? no=input(a,?best.); 什么意思? （SAS）语句 no input file specified翻译成中文是什么意思 yes,she does/./no,they() does it matter 回答 no There is no result type defined for type 'input' mapped with name 'success'.Did you mean 'input'?There is no result type defined for type 'input' mapped with name 'success'.Did you mean 'input'? Does he live in England?Yes,he does What does he say in the letter? Ⅰ.单项选择.(10分)( )1.—Could I study English ____ you?—No problem.A. in B. for C. with D. about( )2.What does he ____ in the letter?A. says B. say Why does an island looks like Letter T? What letter does apple start with?该怎么回答? who does wangwei write a letter to?这句话对吗? has he sent the letter?does he send the letter?did he send the letter?三句有何不同如何翻译 has he sent the letter? does he send the letter? 有何不同啊,翻译上