请问这两句话为什么要这样写?He promised to attend the meeting,but he did’t appear.请问这里问什么要用promised?The robber threatened us to stand still.这里为什么要用threatened?

请问这两句话为什么要这样写?He promised to attend the meeting,but he did’t appear.请问这里问什么要用promised?The robber threatened us to stand still.这里为什么要用threatened? yield pro-industry 请问以下这句话中yield pro-industry results的意思?industry-supported research is more likely to yield pro-industry results. Foxit Reader Pro,work like a pro!为什么要叫Foxit Reader Pro？ 请问这句话中的watch为什么要加ing?he fall asleep while watching television. He loves the mystical 请问这句话怎么翻译?为什么love要加S? He likes piaying football 为什么要这样写? 《用心灵去倾听》这两句话的含义是什么她为什么要这样说 这两句话的含义是什么她为什么要这样说 两句话虚拟语气,想提一点问题,帮我看看.I wish that I hadn't spent so much money.If he had followed my advice,he would have succeeded.这两句话都是虚拟语气的句子,请问,第一句为什么要用hadn't spent?第二句为什么 请问英语这句话为什么要这样写啊?The Internet addiction,mostly resuting from playing online games,is doing a lot of harm to the teenagers and interfering with their studies.请问这里为什么要用resuting? 请问he was already fired和he has already been fired请问这两句话有区别吗? what he said( )me and i left his office angrily whitout a wordA got to B reached C interested D pleased请问这句话什么意思?选出答案之后为什么要这样选? He doesn't like meat at all.为什么要加do啊?He doesn't like meat at all.为什么要加do啊?如果是我自己写这句话我会这样写He not like meat at all. 关于英语选择提--Is Pro.Smith giving the speech today --It____be him .He is abroad right now.A mustn't B needn't C won't D can't 请问选哪个 并为什么要选它呢? 请问这两句话错在哪?为什么?He has some things to eat now?These books are yours.Please put away them? he has already been ro nearly every city in china.我想问一下,如果这句话这么写行不行,he has nearly been to every city in china,这样写行吗,如果不行,为什么, how are you为什么要用are,而不是is再请问以下 那么is he your mother为什么用is,is he Tom这句话错了吗？ 请问Pro-Tibetan protesters