为什么I‘m typing the letter 前要用am?实义动词前不用是要用do,does吗While he was writeing on the blackboard the children were talking,在这句中writeing 是实义动词吧,为什么前面会加was,talking前加were如果去掉was

I can not help you because at the moment I ________(type)a letter.填am typing 还是was typing 为什么I‘m typing the letter 前要用am?实义动词前不用是要用do,does吗While he was writeing on the blackboard the children were talking,在这句中writeing 是实义动词吧,为什么前面会加was,talking前加were如果去掉was I have finished typing all ----the last year′s A until B but C to D for选哪一个,为什么? I have finished typing all ______ the last page.A.untilB.butC.toD.for我要知道的是为什么不能选A...郁闷. he wrote the story,typing it into the computer and handed it to the chief,该句错哪为什么要把typing改为typed！ 2.I have finished typing all （ ）the last pageA.untilB.butC.toD.for the very last thing I ever thought about doing was taking a typing course. 英语翻译The keyboard ___ ___ ___ typing. I filled in the form and wrote down typing as my training course中的filled in form 的意思? I filled in the form and wrote down typing as my training course.句中的as是否应该换成is? 翻译to my surprise, I only found that instead of typing RUN翻译成中文to my surprise, I only found that instead of typing RUN ,she had typed in the following :Are You In 我这句中译英对吗?我是指用法上我很钦佩他打字的速度和准确度I admired the speed and accuracy with his typing'with his typing'这么用正确吗? Meeting Shanghainese FriendsFirst,I appologize for not typing in Chinese.I'm a native English speaker who just came to Shanghai from US.I was wondering if anyone can tell me how can I meet Shanghainese students/friends around my age (21).What is the Meeting Shanghainese FriendsFirst,I appologize for not typing in Chinese.I'm a native English speaker who just came to Shanghai from US.I was wondering if anyone can tell me how can I meet Shanghainese students/friends around my age (21).What is the I hope that you’ll be more careful in typing the letter.Don’t ________ anything.A) lackB) withdrawC) omitD) leak a partner for practicing oral English.would anyone in the same camp with me please contactAnytime will be possible,as my work is allowed us to use chat tools,but just trough typing.Talking by mic is possible after job.I'm home after 6:30 they are(typing the letters)就对划线部分提问 They are 【typing the letter】.用括号里的提问