I am on vacation next week Or I am on a vacation next week Which one is correct?

I am working on a presentation while i watch a movie I am working on a presentation while i am watching a movie What is difference between these two?

İ have a question for everyone, do you think which word has best and deep meaning or which word do you like ( i mean that best meaningfull word )i am waiting perfect word from you 🤗☺️

Who can help me learn English? But you must solve a problem I can't understand English at all.

Hey , who want to learn an Arabic language ? I wanna to learn more in Eglish language , so I am searching for native speaker to we help both .

When I was a teenager, there hadn’t been determined long-term goals in my mind. And I often felt like I wandered off in my life, at some point I even thought education was helpless to me. What do you think of that I wrote above, for grammar and fluency?

What does "education as/is a way of life" mean?

Hello! Will you say the first or the second one of the following? 1. She remembered everything as if they happened yesterday. 2. She remembered everything as if they had happened yesterday. 【Our tutor taught us to use the first one,for this "yesterday" is not an actual sign for a past point,but refers to a day before the day "she" remembered sth.】 【By the way,I'm not sure whether to use "they" or"it" after "everything"😥】 Thanks a lot.